Home / 3,937.47-5,434.10-2,941.02

Finding the Fourth Proportional to 3,937.47, 5,434.10 and 2,941.02

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Solution

The fourth proportional to 3,937.47, 5,434.10 and 2,941.02 is: 4,058.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.47 : 5,434.10 = 2,941.02 : x
  2. Step 2: Convert to fraction form
    3,937.47/5,434.10 = 2,941.02/x
  3. Step 3: Cross multiply
    3,937.47x = 5,434.10 × 2,941.02
  4. Step 4: Simplify right side
    3,937.47x = 15,981,769.55
  5. Step 5: Solve for x
    x = 15,981,769.55/3,937.47
  6. Step 6: Final answer
    x = 4,058.89

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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.