Home / 3,115.27-4,672.84-1,472.99

Finding the Fourth Proportional to 3,115.27, 4,672.84 and 1,472.99

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Solution

The fourth proportional to 3,115.27, 4,672.84 and 1,472.99 is: 2,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.27 : 4,672.84 = 1,472.99 : x
  2. Step 2: Convert to fraction form
    3,115.27/4,672.84 = 1,472.99/x
  3. Step 3: Cross multiply
    3,115.27x = 4,672.84 × 1,472.99
  4. Step 4: Simplify right side
    3,115.27x = 6,883,046.59
  5. Step 5: Solve for x
    x = 6,883,046.59/3,115.27
  6. Step 6: Final answer
    x = 2,209.45

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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.