Home / 2,088.08-3,131.16-627.32

Finding the Fourth Proportional to 2,088.08, 3,131.16 and 627.32

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Solution

The fourth proportional to 2,088.08, 3,131.16 and 627.32 is: 940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.08 : 3,131.16 = 627.32 : x
  2. Step 2: Convert to fraction form
    2,088.08/3,131.16 = 627.32/x
  3. Step 3: Cross multiply
    2,088.08x = 3,131.16 × 627.32
  4. Step 4: Simplify right side
    2,088.08x = 1,964,239.29
  5. Step 5: Solve for x
    x = 1,964,239.29/2,088.08
  6. Step 6: Final answer
    x = 940.69

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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.