Home / 3,982.91-5,496.15-2,490.75

Finding the Fourth Proportional to 3,982.91, 5,496.15 and 2,490.75

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Solution

The fourth proportional to 3,982.91, 5,496.15 and 2,490.75 is: 3,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.91 : 5,496.15 = 2,490.75 : x
  2. Step 2: Convert to fraction form
    3,982.91/5,496.15 = 2,490.75/x
  3. Step 3: Cross multiply
    3,982.91x = 5,496.15 × 2,490.75
  4. Step 4: Simplify right side
    3,982.91x = 13,689,544.95
  5. Step 5: Solve for x
    x = 13,689,544.95/3,982.91
  6. Step 6: Final answer
    x = 3,437.08

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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.