Home / 3,424.17-5,136.56-958.99

Finding the Fourth Proportional to 3,424.17, 5,136.56 and 958.99

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Solution

The fourth proportional to 3,424.17, 5,136.56 and 958.99 is: 1,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.17 : 5,136.56 = 958.99 : x
  2. Step 2: Convert to fraction form
    3,424.17/5,136.56 = 958.99/x
  3. Step 3: Cross multiply
    3,424.17x = 5,136.56 × 958.99
  4. Step 4: Simplify right side
    3,424.17x = 4,925,910.66
  5. Step 5: Solve for x
    x = 4,925,910.66/3,424.17
  6. Step 6: Final answer
    x = 1,438.57

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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.