Home / 3,424.47-5,136.99-1,344.61

Finding the Fourth Proportional to 3,424.47, 5,136.99 and 1,344.61

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Solution

The fourth proportional to 3,424.47, 5,136.99 and 1,344.61 is: 2,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.47 : 5,136.99 = 1,344.61 : x
  2. Step 2: Convert to fraction form
    3,424.47/5,136.99 = 1,344.61/x
  3. Step 3: Cross multiply
    3,424.47x = 5,136.99 × 1,344.61
  4. Step 4: Simplify right side
    3,424.47x = 6,907,248.12
  5. Step 5: Solve for x
    x = 6,907,248.12/3,424.47
  6. Step 6: Final answer
    x = 2,017.03

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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.