Home / 1,621.50-2,432.39-467.25

Finding the Fourth Proportional to 1,621.50, 2,432.39 and 467.25

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Solution

The fourth proportional to 1,621.50, 2,432.39 and 467.25 is: 700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.50 : 2,432.39 = 467.25 : x
  2. Step 2: Convert to fraction form
    1,621.50/2,432.39 = 467.25/x
  3. Step 3: Cross multiply
    1,621.50x = 2,432.39 × 467.25
  4. Step 4: Simplify right side
    1,621.50x = 1,136,531.89
  5. Step 5: Solve for x
    x = 1,136,531.89/1,621.50
  6. Step 6: Final answer
    x = 700.91

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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.