Home / 3,909.24-5,861.70-2,972.52

Finding the Fourth Proportional to 3,909.24, 5,861.70 and 2,972.52

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Solution

The fourth proportional to 3,909.24, 5,861.70 and 2,972.52 is: 4,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.24 : 5,861.70 = 2,972.52 : x
  2. Step 2: Convert to fraction form
    3,909.24/5,861.70 = 2,972.52/x
  3. Step 3: Cross multiply
    3,909.24x = 5,861.70 × 2,972.52
  4. Step 4: Simplify right side
    3,909.24x = 17,424,020.48
  5. Step 5: Solve for x
    x = 17,424,020.48/3,909.24
  6. Step 6: Final answer
    x = 4,457.14

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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.