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Finding the Fourth Proportional to 2,166.32, 3,250.01 and 627.32

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Solution

The fourth proportional to 2,166.32, 3,250.01 and 627.32 is: 941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.32 : 3,250.01 = 627.32 : x
  2. Step 2: Convert to fraction form
    2,166.32/3,250.01 = 627.32/x
  3. Step 3: Cross multiply
    2,166.32x = 3,250.01 × 627.32
  4. Step 4: Simplify right side
    2,166.32x = 2,038,780.02
  5. Step 5: Solve for x
    x = 2,038,780.02/2,166.32
  6. Step 6: Final answer
    x = 941.13

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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.