Home / 3,104.79-4,657.38-1,255.87

Finding the Fourth Proportional to 3,104.79, 4,657.38 and 1,255.87

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Solution

The fourth proportional to 3,104.79, 4,657.38 and 1,255.87 is: 1,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.79 : 4,657.38 = 1,255.87 : x
  2. Step 2: Convert to fraction form
    3,104.79/4,657.38 = 1,255.87/x
  3. Step 3: Cross multiply
    3,104.79x = 4,657.38 × 1,255.87
  4. Step 4: Simplify right side
    3,104.79x = 5,849,063.82
  5. Step 5: Solve for x
    x = 5,849,063.82/3,104.79
  6. Step 6: Final answer
    x = 1,883.88

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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.