Home / 2,591.56-3,887.94-1,031.66

Finding the Fourth Proportional to 2,591.56, 3,887.94 and 1,031.66

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Solution

The fourth proportional to 2,591.56, 3,887.94 and 1,031.66 is: 1,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.56 : 3,887.94 = 1,031.66 : x
  2. Step 2: Convert to fraction form
    2,591.56/3,887.94 = 1,031.66/x
  3. Step 3: Cross multiply
    2,591.56x = 3,887.94 × 1,031.66
  4. Step 4: Simplify right side
    2,591.56x = 4,011,012.74
  5. Step 5: Solve for x
    x = 4,011,012.74/2,591.56
  6. Step 6: Final answer
    x = 1,547.72

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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.