Home / 4,001.09-5,522.52-2,387.74

Finding the Fourth Proportional to 4,001.09, 5,522.52 and 2,387.74

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Solution

The fourth proportional to 4,001.09, 5,522.52 and 2,387.74 is: 3,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.09 : 5,522.52 = 2,387.74 : x
  2. Step 2: Convert to fraction form
    4,001.09/5,522.52 = 2,387.74/x
  3. Step 3: Cross multiply
    4,001.09x = 5,522.52 × 2,387.74
  4. Step 4: Simplify right side
    4,001.09x = 13,186,341.90
  5. Step 5: Solve for x
    x = 13,186,341.90/4,001.09
  6. Step 6: Final answer
    x = 3,295.69

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Half scale
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Double scale
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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.