Home / 3,424.24-5,136.68-1,575.87

Finding the Fourth Proportional to 3,424.24, 5,136.68 and 1,575.87

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Solution

The fourth proportional to 3,424.24, 5,136.68 and 1,575.87 is: 2,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.24 : 5,136.68 = 1,575.87 : x
  2. Step 2: Convert to fraction form
    3,424.24/5,136.68 = 1,575.87/x
  3. Step 3: Cross multiply
    3,424.24x = 5,136.68 × 1,575.87
  4. Step 4: Simplify right side
    3,424.24x = 8,094,739.91
  5. Step 5: Solve for x
    x = 8,094,739.91/3,424.24
  6. Step 6: Final answer
    x = 2,363.95

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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.