Home / 1,422.74-2,132.82-1,204.77

Finding the Fourth Proportional to 1,422.74, 2,132.82 and 1,204.77

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Solution

The fourth proportional to 1,422.74, 2,132.82 and 1,204.77 is: 1,806.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422.74 : 2,132.82 = 1,204.77 : x
  2. Step 2: Convert to fraction form
    1,422.74/2,132.82 = 1,204.77/x
  3. Step 3: Cross multiply
    1,422.74x = 2,132.82 × 1,204.77
  4. Step 4: Simplify right side
    1,422.74x = 2,569,557.55
  5. Step 5: Solve for x
    x = 2,569,557.55/1,422.74
  6. Step 6: Final answer
    x = 1,806.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.