Home / 3,572.46-4,930-2,000.56

Finding the Fourth Proportional to 3,572.46, 4,930 and 2,000.56

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Solution

The fourth proportional to 3,572.46, 4,930 and 2,000.56 is: 2,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.46 : 4,930 = 2,000.56 : x
  2. Step 2: Convert to fraction form
    3,572.46/4,930 = 2,000.56/x
  3. Step 3: Cross multiply
    3,572.46x = 4,930 × 2,000.56
  4. Step 4: Simplify right side
    3,572.46x = 9,862,760.80
  5. Step 5: Solve for x
    x = 9,862,760.80/3,572.46
  6. Step 6: Final answer
    x = 2,760.78

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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.