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Finding the Fourth Proportional to 2,088.65, 3,132.54 and 627.95

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Solution

The fourth proportional to 2,088.65, 3,132.54 and 627.95 is: 941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.65 : 3,132.54 = 627.95 : x
  2. Step 2: Convert to fraction form
    2,088.65/3,132.54 = 627.95/x
  3. Step 3: Cross multiply
    2,088.65x = 3,132.54 × 627.95
  4. Step 4: Simplify right side
    2,088.65x = 1,967,086.32
  5. Step 5: Solve for x
    x = 1,967,086.32/2,088.65
  6. Step 6: Final answer
    x = 941.80

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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.