Home / 2,088.09-3,132.28-627.35

Finding the Fourth Proportional to 2,088.09, 3,132.28 and 627.35

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Solution

The fourth proportional to 2,088.09, 3,132.28 and 627.35 is: 941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.09 : 3,132.28 = 627.35 : x
  2. Step 2: Convert to fraction form
    2,088.09/3,132.28 = 627.35/x
  3. Step 3: Cross multiply
    2,088.09x = 3,132.28 × 627.35
  4. Step 4: Simplify right side
    2,088.09x = 1,965,035.86
  5. Step 5: Solve for x
    x = 1,965,035.86/2,088.09
  6. Step 6: Final answer
    x = 941.07

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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.