Home / 3,713.60-5,566.18-1,521.12

Finding the Fourth Proportional to 3,713.60, 5,566.18 and 1,521.12

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Solution

The fourth proportional to 3,713.60, 5,566.18 and 1,521.12 is: 2,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.60 : 5,566.18 = 1,521.12 : x
  2. Step 2: Convert to fraction form
    3,713.60/5,566.18 = 1,521.12/x
  3. Step 3: Cross multiply
    3,713.60x = 5,566.18 × 1,521.12
  4. Step 4: Simplify right side
    3,713.60x = 8,466,827.72
  5. Step 5: Solve for x
    x = 8,466,827.72/3,713.60
  6. Step 6: Final answer
    x = 2,279.95

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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.