Home / 3,687.12-5,092.65-2,690.82

Finding the Fourth Proportional to 3,687.12, 5,092.65 and 2,690.82

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Solution

The fourth proportional to 3,687.12, 5,092.65 and 2,690.82 is: 3,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.12 : 5,092.65 = 2,690.82 : x
  2. Step 2: Convert to fraction form
    3,687.12/5,092.65 = 2,690.82/x
  3. Step 3: Cross multiply
    3,687.12x = 5,092.65 × 2,690.82
  4. Step 4: Simplify right side
    3,687.12x = 13,703,404.47
  5. Step 5: Solve for x
    x = 13,703,404.47/3,687.12
  6. Step 6: Final answer
    x = 3,716.56

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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.