Home / 2,278.16-3,417.25-634.71

Finding the Fourth Proportional to 2,278.16, 3,417.25 and 634.71

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Solution

The fourth proportional to 2,278.16, 3,417.25 and 634.71 is: 952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.16 : 3,417.25 = 634.71 : x
  2. Step 2: Convert to fraction form
    2,278.16/3,417.25 = 634.71/x
  3. Step 3: Cross multiply
    2,278.16x = 3,417.25 × 634.71
  4. Step 4: Simplify right side
    2,278.16x = 2,168,962.75
  5. Step 5: Solve for x
    x = 2,168,962.75/2,278.16
  6. Step 6: Final answer
    x = 952.07

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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.