Home / 2,422.82-3,343.20-1,374.86

Finding the Fourth Proportional to 2,422.82, 3,343.20 and 1,374.86

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Solution

The fourth proportional to 2,422.82, 3,343.20 and 1,374.86 is: 1,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.82 : 3,343.20 = 1,374.86 : x
  2. Step 2: Convert to fraction form
    2,422.82/3,343.20 = 1,374.86/x
  3. Step 3: Cross multiply
    2,422.82x = 3,343.20 × 1,374.86
  4. Step 4: Simplify right side
    2,422.82x = 4,596,431.95
  5. Step 5: Solve for x
    x = 4,596,431.95/2,422.82
  6. Step 6: Final answer
    x = 1,897.14

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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.