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Finding the Fourth Proportional to 1,422.68, 2,132.75 and 600.50

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Solution

The fourth proportional to 1,422.68, 2,132.75 and 600.50 is: 900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422.68 : 2,132.75 = 600.50 : x
  2. Step 2: Convert to fraction form
    1,422.68/2,132.75 = 600.50/x
  3. Step 3: Cross multiply
    1,422.68x = 2,132.75 × 600.50
  4. Step 4: Simplify right side
    1,422.68x = 1,280,702.71
  5. Step 5: Solve for x
    x = 1,280,702.71/1,422.68
  6. Step 6: Final answer
    x = 900.21

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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.