Home / 3,824.13-5,276.49-2,499.78

Finding the Fourth Proportional to 3,824.13, 5,276.49 and 2,499.78

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Solution

The fourth proportional to 3,824.13, 5,276.49 and 2,499.78 is: 3,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.13 : 5,276.49 = 2,499.78 : x
  2. Step 2: Convert to fraction form
    3,824.13/5,276.49 = 2,499.78/x
  3. Step 3: Cross multiply
    3,824.13x = 5,276.49 × 2,499.78
  4. Step 4: Simplify right side
    3,824.13x = 13,190,064.17
  5. Step 5: Solve for x
    x = 13,190,064.17/3,824.13
  6. Step 6: Final answer
    x = 3,449.17

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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.