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Finding the Fourth Proportional to 3,510.47, 4,844.54 and 1,998.30

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Solution

The fourth proportional to 3,510.47, 4,844.54 and 1,998.30 is: 2,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.47 : 4,844.54 = 1,998.30 : x
  2. Step 2: Convert to fraction form
    3,510.47/4,844.54 = 1,998.30/x
  3. Step 3: Cross multiply
    3,510.47x = 4,844.54 × 1,998.30
  4. Step 4: Simplify right side
    3,510.47x = 9,680,867.44
  5. Step 5: Solve for x
    x = 9,680,867.44/3,510.47
  6. Step 6: Final answer
    x = 2,757.71

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.