Home / 3,505.13-5,257.68-1,424.64

Finding the Fourth Proportional to 3,505.13, 5,257.68 and 1,424.64

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Solution

The fourth proportional to 3,505.13, 5,257.68 and 1,424.64 is: 2,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.13 : 5,257.68 = 1,424.64 : x
  2. Step 2: Convert to fraction form
    3,505.13/5,257.68 = 1,424.64/x
  3. Step 3: Cross multiply
    3,505.13x = 5,257.68 × 1,424.64
  4. Step 4: Simplify right side
    3,505.13x = 7,490,301.24
  5. Step 5: Solve for x
    x = 7,490,301.24/3,505.13
  6. Step 6: Final answer
    x = 2,136.95

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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.