Home / 2,278.58-3,417.17-634.73

Finding the Fourth Proportional to 2,278.58, 3,417.17 and 634.73

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Solution

The fourth proportional to 2,278.58, 3,417.17 and 634.73 is: 951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.58 : 3,417.17 = 634.73 : x
  2. Step 2: Convert to fraction form
    2,278.58/3,417.17 = 634.73/x
  3. Step 3: Cross multiply
    2,278.58x = 3,417.17 × 634.73
  4. Step 4: Simplify right side
    2,278.58x = 2,168,960.05
  5. Step 5: Solve for x
    x = 2,168,960.05/2,278.58
  6. Step 6: Final answer
    x = 951.89

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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.