Home / 3,177.27-4,384.10-1,997.50

Finding the Fourth Proportional to 3,177.27, 4,384.10 and 1,997.50

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Solution

The fourth proportional to 3,177.27, 4,384.10 and 1,997.50 is: 2,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.27 : 4,384.10 = 1,997.50 : x
  2. Step 2: Convert to fraction form
    3,177.27/4,384.10 = 1,997.50/x
  3. Step 3: Cross multiply
    3,177.27x = 4,384.10 × 1,997.50
  4. Step 4: Simplify right side
    3,177.27x = 8,757,239.75
  5. Step 5: Solve for x
    x = 8,757,239.75/3,177.27
  6. Step 6: Final answer
    x = 2,756.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.