Home / 3,723.92-5,136.08-2,397.76

Finding the Fourth Proportional to 3,723.92, 5,136.08 and 2,397.76

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Solution

The fourth proportional to 3,723.92, 5,136.08 and 2,397.76 is: 3,307.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.92 : 5,136.08 = 2,397.76 : x
  2. Step 2: Convert to fraction form
    3,723.92/5,136.08 = 2,397.76/x
  3. Step 3: Cross multiply
    3,723.92x = 5,136.08 × 2,397.76
  4. Step 4: Simplify right side
    3,723.92x = 12,315,087.18
  5. Step 5: Solve for x
    x = 12,315,087.18/3,723.92
  6. Step 6: Final answer
    x = 3,307.02

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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.