Home / 2,449.78-3,380.01-2,326.66

Finding the Fourth Proportional to 2,449.78, 3,380.01 and 2,326.66

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Solution

The fourth proportional to 2,449.78, 3,380.01 and 2,326.66 is: 3,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.78 : 3,380.01 = 2,326.66 : x
  2. Step 2: Convert to fraction form
    2,449.78/3,380.01 = 2,326.66/x
  3. Step 3: Cross multiply
    2,449.78x = 3,380.01 × 2,326.66
  4. Step 4: Simplify right side
    2,449.78x = 7,864,134.07
  5. Step 5: Solve for x
    x = 7,864,134.07/2,449.78
  6. Step 6: Final answer
    x = 3,210.14

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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.