Home / 3,924.78-5,887.38-1,585.14

Finding the Fourth Proportional to 3,924.78, 5,887.38 and 1,585.14

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Solution

The fourth proportional to 3,924.78, 5,887.38 and 1,585.14 is: 2,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.78 : 5,887.38 = 1,585.14 : x
  2. Step 2: Convert to fraction form
    3,924.78/5,887.38 = 1,585.14/x
  3. Step 3: Cross multiply
    3,924.78x = 5,887.38 × 1,585.14
  4. Step 4: Simplify right side
    3,924.78x = 9,332,321.53
  5. Step 5: Solve for x
    x = 9,332,321.53/3,924.78
  6. Step 6: Final answer
    x = 2,377.79

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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.