Home / 3,654.87-5,042.48-2,081.85

Finding the Fourth Proportional to 3,654.87, 5,042.48 and 2,081.85

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Solution

The fourth proportional to 3,654.87, 5,042.48 and 2,081.85 is: 2,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.87 : 5,042.48 = 2,081.85 : x
  2. Step 2: Convert to fraction form
    3,654.87/5,042.48 = 2,081.85/x
  3. Step 3: Cross multiply
    3,654.87x = 5,042.48 × 2,081.85
  4. Step 4: Simplify right side
    3,654.87x = 10,497,686.99
  5. Step 5: Solve for x
    x = 10,497,686.99/3,654.87
  6. Step 6: Final answer
    x = 2,872.25

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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.