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Finding the Fourth Proportional to 2,593.17, 3,889.17 and 1,275.57

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Solution

The fourth proportional to 2,593.17, 3,889.17 and 1,275.57 is: 1,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593.17 : 3,889.17 = 1,275.57 : x
  2. Step 2: Convert to fraction form
    2,593.17/3,889.17 = 1,275.57/x
  3. Step 3: Cross multiply
    2,593.17x = 3,889.17 × 1,275.57
  4. Step 4: Simplify right side
    2,593.17x = 4,960,908.58
  5. Step 5: Solve for x
    x = 4,960,908.58/2,593.17
  6. Step 6: Final answer
    x = 1,913.07

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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.