Home / 3,747.12-5,158.80-3,248.16

Finding the Fourth Proportional to 3,747.12, 5,158.80 and 3,248.16

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Solution

The fourth proportional to 3,747.12, 5,158.80 and 3,248.16 is: 4,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.12 : 5,158.80 = 3,248.16 : x
  2. Step 2: Convert to fraction form
    3,747.12/5,158.80 = 3,248.16/x
  3. Step 3: Cross multiply
    3,747.12x = 5,158.80 × 3,248.16
  4. Step 4: Simplify right side
    3,747.12x = 16,756,607.81
  5. Step 5: Solve for x
    x = 16,756,607.81/3,747.12
  6. Step 6: Final answer
    x = 4,471.86

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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.