Home / 2,633.85-3,951.92-1,248.17

Finding the Fourth Proportional to 2,633.85, 3,951.92 and 1,248.17

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Solution

The fourth proportional to 2,633.85, 3,951.92 and 1,248.17 is: 1,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.85 : 3,951.92 = 1,248.17 : x
  2. Step 2: Convert to fraction form
    2,633.85/3,951.92 = 1,248.17/x
  3. Step 3: Cross multiply
    2,633.85x = 3,951.92 × 1,248.17
  4. Step 4: Simplify right side
    2,633.85x = 4,932,667.99
  5. Step 5: Solve for x
    x = 4,932,667.99/2,633.85
  6. Step 6: Final answer
    x = 1,872.80

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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.