Home / 3,769.47-5,655.92-1,306.08

Finding the Fourth Proportional to 3,769.47, 5,655.92 and 1,306.08

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Solution

The fourth proportional to 3,769.47, 5,655.92 and 1,306.08 is: 1,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.47 : 5,655.92 = 1,306.08 : x
  2. Step 2: Convert to fraction form
    3,769.47/5,655.92 = 1,306.08/x
  3. Step 3: Cross multiply
    3,769.47x = 5,655.92 × 1,306.08
  4. Step 4: Simplify right side
    3,769.47x = 7,387,077.46
  5. Step 5: Solve for x
    x = 7,387,077.46/3,769.47
  6. Step 6: Final answer
    x = 1,959.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.