Home / 2,235.28-3,086.19-1,998.47

Finding the Fourth Proportional to 2,235.28, 3,086.19 and 1,998.47

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Solution

The fourth proportional to 2,235.28, 3,086.19 and 1,998.47 is: 2,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.28 : 3,086.19 = 1,998.47 : x
  2. Step 2: Convert to fraction form
    2,235.28/3,086.19 = 1,998.47/x
  3. Step 3: Cross multiply
    2,235.28x = 3,086.19 × 1,998.47
  4. Step 4: Simplify right side
    2,235.28x = 6,167,658.13
  5. Step 5: Solve for x
    x = 6,167,658.13/2,235.28
  6. Step 6: Final answer
    x = 2,759.23

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.