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Finding the Fourth Proportional to 2,088.24, 3,132.84 and 627.54

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Solution

The fourth proportional to 2,088.24, 3,132.84 and 627.54 is: 941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.24 : 3,132.84 = 627.54 : x
  2. Step 2: Convert to fraction form
    2,088.24/3,132.84 = 627.54/x
  3. Step 3: Cross multiply
    2,088.24x = 3,132.84 × 627.54
  4. Step 4: Simplify right side
    2,088.24x = 1,965,982.41
  5. Step 5: Solve for x
    x = 1,965,982.41/2,088.24
  6. Step 6: Final answer
    x = 941.45

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1.5x scale

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.