Home / 2,088.10-3,132.14-627.20

Finding the Fourth Proportional to 2,088.10, 3,132.14 and 627.20

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Solution

The fourth proportional to 2,088.10, 3,132.14 and 627.20 is: 940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.10 : 3,132.14 = 627.20 : x
  2. Step 2: Convert to fraction form
    2,088.10/3,132.14 = 627.20/x
  3. Step 3: Cross multiply
    2,088.10x = 3,132.14 × 627.20
  4. Step 4: Simplify right side
    2,088.10x = 1,964,478.21
  5. Step 5: Solve for x
    x = 1,964,478.21/2,088.10
  6. Step 6: Final answer
    x = 940.80

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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.