Home / 3,177.80-4,760.19-1,486.76

Finding the Fourth Proportional to 3,177.80, 4,760.19 and 1,486.76

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Solution

The fourth proportional to 3,177.80, 4,760.19 and 1,486.76 is: 2,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.80 : 4,760.19 = 1,486.76 : x
  2. Step 2: Convert to fraction form
    3,177.80/4,760.19 = 1,486.76/x
  3. Step 3: Cross multiply
    3,177.80x = 4,760.19 × 1,486.76
  4. Step 4: Simplify right side
    3,177.80x = 7,077,264.55
  5. Step 5: Solve for x
    x = 7,077,264.55/3,177.80
  6. Step 6: Final answer
    x = 2,227.10

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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.