Home / 2,088.60-3,132.28-627.36

Finding the Fourth Proportional to 2,088.60, 3,132.28 and 627.36

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Solution

The fourth proportional to 2,088.60, 3,132.28 and 627.36 is: 940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.60 : 3,132.28 = 627.36 : x
  2. Step 2: Convert to fraction form
    2,088.60/3,132.28 = 627.36/x
  3. Step 3: Cross multiply
    2,088.60x = 3,132.28 × 627.36
  4. Step 4: Simplify right side
    2,088.60x = 1,965,067.18
  5. Step 5: Solve for x
    x = 1,965,067.18/2,088.60
  6. Step 6: Final answer
    x = 940.85

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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.