Home / 3,864.98-5,334.66-2,449.51

Finding the Fourth Proportional to 3,864.98, 5,334.66 and 2,449.51

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Solution

The fourth proportional to 3,864.98, 5,334.66 and 2,449.51 is: 3,380.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.98 : 5,334.66 = 2,449.51 : x
  2. Step 2: Convert to fraction form
    3,864.98/5,334.66 = 2,449.51/x
  3. Step 3: Cross multiply
    3,864.98x = 5,334.66 × 2,449.51
  4. Step 4: Simplify right side
    3,864.98x = 13,067,289.68
  5. Step 5: Solve for x
    x = 13,067,289.68/3,864.98
  6. Step 6: Final answer
    x = 3,380.94

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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.