Home / 3,713.38-5,570.88-1,247.74

Finding the Fourth Proportional to 3,713.38, 5,570.88 and 1,247.74

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Solution

The fourth proportional to 3,713.38, 5,570.88 and 1,247.74 is: 1,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.38 : 5,570.88 = 1,247.74 : x
  2. Step 2: Convert to fraction form
    3,713.38/5,570.88 = 1,247.74/x
  3. Step 3: Cross multiply
    3,713.38x = 5,570.88 × 1,247.74
  4. Step 4: Simplify right side
    3,713.38x = 6,951,009.81
  5. Step 5: Solve for x
    x = 6,951,009.81/3,713.38
  6. Step 6: Final answer
    x = 1,871.88

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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.