Home / 2,786.55-4,177.13-1,031.06

Finding the Fourth Proportional to 2,786.55, 4,177.13 and 1,031.06

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Solution

The fourth proportional to 2,786.55, 4,177.13 and 1,031.06 is: 1,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.55 : 4,177.13 = 1,031.06 : x
  2. Step 2: Convert to fraction form
    2,786.55/4,177.13 = 1,031.06/x
  3. Step 3: Cross multiply
    2,786.55x = 4,177.13 × 1,031.06
  4. Step 4: Simplify right side
    2,786.55x = 4,306,845.62
  5. Step 5: Solve for x
    x = 4,306,845.62/2,786.55
  6. Step 6: Final answer
    x = 1,545.58

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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.