Home / 2,422.97-3,343.35-1,360.79

Finding the Fourth Proportional to 2,422.97, 3,343.35 and 1,360.79

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Solution

The fourth proportional to 2,422.97, 3,343.35 and 1,360.79 is: 1,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.97 : 3,343.35 = 1,360.79 : x
  2. Step 2: Convert to fraction form
    2,422.97/3,343.35 = 1,360.79/x
  3. Step 3: Cross multiply
    2,422.97x = 3,343.35 × 1,360.79
  4. Step 4: Simplify right side
    2,422.97x = 4,549,597.25
  5. Step 5: Solve for x
    x = 4,549,597.25/2,422.97
  6. Step 6: Final answer
    x = 1,877.69

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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.