Home / 3,177.08-4,761.28-2,020.76

Finding the Fourth Proportional to 3,177.08, 4,761.28 and 2,020.76

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Solution

The fourth proportional to 3,177.08, 4,761.28 and 2,020.76 is: 3,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.08 : 4,761.28 = 2,020.76 : x
  2. Step 2: Convert to fraction form
    3,177.08/4,761.28 = 2,020.76/x
  3. Step 3: Cross multiply
    3,177.08x = 4,761.28 × 2,020.76
  4. Step 4: Simplify right side
    3,177.08x = 9,621,404.17
  5. Step 5: Solve for x
    x = 9,621,404.17/3,177.08
  6. Step 6: Final answer
    x = 3,028.38

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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.