Home / 3,572.42-4,930-2,000.52

Finding the Fourth Proportional to 3,572.42, 4,930 and 2,000.52

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Solution

The fourth proportional to 3,572.42, 4,930 and 2,000.52 is: 2,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.42 : 4,930 = 2,000.52 : x
  2. Step 2: Convert to fraction form
    3,572.42/4,930 = 2,000.52/x
  3. Step 3: Cross multiply
    3,572.42x = 4,930 × 2,000.52
  4. Step 4: Simplify right side
    3,572.42x = 9,862,563.60
  5. Step 5: Solve for x
    x = 9,862,563.60/3,572.42
  6. Step 6: Final answer
    x = 2,760.75

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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.