Home / 3,519.91-5,280.57-1,179.82

Finding the Fourth Proportional to 3,519.91, 5,280.57 and 1,179.82

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Solution

The fourth proportional to 3,519.91, 5,280.57 and 1,179.82 is: 1,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.91 : 5,280.57 = 1,179.82 : x
  2. Step 2: Convert to fraction form
    3,519.91/5,280.57 = 1,179.82/x
  3. Step 3: Cross multiply
    3,519.91x = 5,280.57 × 1,179.82
  4. Step 4: Simplify right side
    3,519.91x = 6,230,108.90
  5. Step 5: Solve for x
    x = 6,230,108.90/3,519.91
  6. Step 6: Final answer
    x = 1,769.96

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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.