Home / 3,177.72-4,747.19-2,529.18

Finding the Fourth Proportional to 3,177.72, 4,747.19 and 2,529.18

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Solution

The fourth proportional to 3,177.72, 4,747.19 and 2,529.18 is: 3,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.72 : 4,747.19 = 2,529.18 : x
  2. Step 2: Convert to fraction form
    3,177.72/4,747.19 = 2,529.18/x
  3. Step 3: Cross multiply
    3,177.72x = 4,747.19 × 2,529.18
  4. Step 4: Simplify right side
    3,177.72x = 12,006,485.36
  5. Step 5: Solve for x
    x = 12,006,485.36/3,177.72
  6. Step 6: Final answer
    x = 3,778.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.