Home / 3,510.67-4,845.12-1,998.60

Finding the Fourth Proportional to 3,510.67, 4,845.12 and 1,998.60

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Solution

The fourth proportional to 3,510.67, 4,845.12 and 1,998.60 is: 2,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.67 : 4,845.12 = 1,998.60 : x
  2. Step 2: Convert to fraction form
    3,510.67/4,845.12 = 1,998.60/x
  3. Step 3: Cross multiply
    3,510.67x = 4,845.12 × 1,998.60
  4. Step 4: Simplify right side
    3,510.67x = 9,683,444.79
  5. Step 5: Solve for x
    x = 9,683,444.79/3,510.67
  6. Step 6: Final answer
    x = 2,758.29

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.