Home / 3,723.86-5,136.08-2,529.76

Finding the Fourth Proportional to 3,723.86, 5,136.08 and 2,529.76

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Solution

The fourth proportional to 3,723.86, 5,136.08 and 2,529.76 is: 3,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.86 : 5,136.08 = 2,529.76 : x
  2. Step 2: Convert to fraction form
    3,723.86/5,136.08 = 2,529.76/x
  3. Step 3: Cross multiply
    3,723.86x = 5,136.08 × 2,529.76
  4. Step 4: Simplify right side
    3,723.86x = 12,993,049.93
  5. Step 5: Solve for x
    x = 12,993,049.93/3,723.86
  6. Step 6: Final answer
    x = 3,489.14

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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.