Home / 3,177.17-4,764.13-1,327.78

Finding the Fourth Proportional to 3,177.17, 4,764.13 and 1,327.78

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Solution

The fourth proportional to 3,177.17, 4,764.13 and 1,327.78 is: 1,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.17 : 4,764.13 = 1,327.78 : x
  2. Step 2: Convert to fraction form
    3,177.17/4,764.13 = 1,327.78/x
  3. Step 3: Cross multiply
    3,177.17x = 4,764.13 × 1,327.78
  4. Step 4: Simplify right side
    3,177.17x = 6,325,716.53
  5. Step 5: Solve for x
    x = 6,325,716.53/3,177.17
  6. Step 6: Final answer
    x = 1,990.99

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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.