Home / 2,587.17-3,880.75-943.04

Finding the Fourth Proportional to 2,587.17, 3,880.75 and 943.04

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Solution

The fourth proportional to 2,587.17, 3,880.75 and 943.04 is: 1,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.17 : 3,880.75 = 943.04 : x
  2. Step 2: Convert to fraction form
    2,587.17/3,880.75 = 943.04/x
  3. Step 3: Cross multiply
    2,587.17x = 3,880.75 × 943.04
  4. Step 4: Simplify right side
    2,587.17x = 3,659,709.82
  5. Step 5: Solve for x
    x = 3,659,709.82/2,587.17
  6. Step 6: Final answer
    x = 1,414.56

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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.