Home / 3,424.11-5,136.17-958.95

Finding the Fourth Proportional to 3,424.11, 5,136.17 and 958.95

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Solution

The fourth proportional to 3,424.11, 5,136.17 and 958.95 is: 1,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.11 : 5,136.17 = 958.95 : x
  2. Step 2: Convert to fraction form
    3,424.11/5,136.17 = 958.95/x
  3. Step 3: Cross multiply
    3,424.11x = 5,136.17 × 958.95
  4. Step 4: Simplify right side
    3,424.11x = 4,925,330.22
  5. Step 5: Solve for x
    x = 4,925,330.22/3,424.11
  6. Step 6: Final answer
    x = 1,438.43

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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.