Home / 3,338.20-5,000.86-1,872.91

Finding the Fourth Proportional to 3,338.20, 5,000.86 and 1,872.91

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Solution

The fourth proportional to 3,338.20, 5,000.86 and 1,872.91 is: 2,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.20 : 5,000.86 = 1,872.91 : x
  2. Step 2: Convert to fraction form
    3,338.20/5,000.86 = 1,872.91/x
  3. Step 3: Cross multiply
    3,338.20x = 5,000.86 × 1,872.91
  4. Step 4: Simplify right side
    3,338.20x = 9,366,143.52
  5. Step 5: Solve for x
    x = 9,366,143.52/3,338.20
  6. Step 6: Final answer
    x = 2,805.75

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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.