Home / 2,591.06-3,885.90-1,031.00

Finding the Fourth Proportional to 2,591.06, 3,885.90 and 1,031.00

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Solution

The fourth proportional to 2,591.06, 3,885.90 and 1,031.00 is: 1,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.06 : 3,885.90 = 1,031.00 : x
  2. Step 2: Convert to fraction form
    2,591.06/3,885.90 = 1,031.00/x
  3. Step 3: Cross multiply
    2,591.06x = 3,885.90 × 1,031.00
  4. Step 4: Simplify right side
    2,591.06x = 4,006,343.47
  5. Step 5: Solve for x
    x = 4,006,343.47/2,591.06
  6. Step 6: Final answer
    x = 1,546.22

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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.