Home / 3,801.47-5,239.76-2,542.07

Finding the Fourth Proportional to 3,801.47, 5,239.76 and 2,542.07

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Solution

The fourth proportional to 3,801.47, 5,239.76 and 2,542.07 is: 3,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.47 : 5,239.76 = 2,542.07 : x
  2. Step 2: Convert to fraction form
    3,801.47/5,239.76 = 2,542.07/x
  3. Step 3: Cross multiply
    3,801.47x = 5,239.76 × 2,542.07
  4. Step 4: Simplify right side
    3,801.47x = 13,319,807.62
  5. Step 5: Solve for x
    x = 13,319,807.62/3,801.47
  6. Step 6: Final answer
    x = 3,503.86

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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.