Home / 3,713.10-5,566.95-1,520.70

Finding the Fourth Proportional to 3,713.10, 5,566.95 and 1,520.70

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Solution

The fourth proportional to 3,713.10, 5,566.95 and 1,520.70 is: 2,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.10 : 5,566.95 = 1,520.70 : x
  2. Step 2: Convert to fraction form
    3,713.10/5,566.95 = 1,520.70/x
  3. Step 3: Cross multiply
    3,713.10x = 5,566.95 × 1,520.70
  4. Step 4: Simplify right side
    3,713.10x = 8,465,660.87
  5. Step 5: Solve for x
    x = 8,465,660.87/3,713.10
  6. Step 6: Final answer
    x = 2,279.94

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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.