Home / 2,088.16-3,132.24-627.31

Finding the Fourth Proportional to 2,088.16, 3,132.24 and 627.31

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Solution

The fourth proportional to 2,088.16, 3,132.24 and 627.31 is: 940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.16 : 3,132.24 = 627.31 : x
  2. Step 2: Convert to fraction form
    2,088.16/3,132.24 = 627.31/x
  3. Step 3: Cross multiply
    2,088.16x = 3,132.24 × 627.31
  4. Step 4: Simplify right side
    2,088.16x = 1,964,887.04
  5. Step 5: Solve for x
    x = 1,964,887.04/2,088.16
  6. Step 6: Final answer
    x = 940.97

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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.