Home / 2,278.67-3,417.96-635.18

Finding the Fourth Proportional to 2,278.67, 3,417.96 and 635.18

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Solution

The fourth proportional to 2,278.67, 3,417.96 and 635.18 is: 952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.67 : 3,417.96 = 635.18 : x
  2. Step 2: Convert to fraction form
    2,278.67/3,417.96 = 635.18/x
  3. Step 3: Cross multiply
    2,278.67x = 3,417.96 × 635.18
  4. Step 4: Simplify right side
    2,278.67x = 2,171,002.74
  5. Step 5: Solve for x
    x = 2,171,002.74/2,278.67
  6. Step 6: Final answer
    x = 952.75

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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.