Home / 2,422.50-3,338.38-1,722.66

Finding the Fourth Proportional to 2,422.50, 3,338.38 and 1,722.66

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Solution

The fourth proportional to 2,422.50, 3,338.38 and 1,722.66 is: 2,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.50 : 3,338.38 = 1,722.66 : x
  2. Step 2: Convert to fraction form
    2,422.50/3,338.38 = 1,722.66/x
  3. Step 3: Cross multiply
    2,422.50x = 3,338.38 × 1,722.66
  4. Step 4: Simplify right side
    2,422.50x = 5,750,893.69
  5. Step 5: Solve for x
    x = 5,750,893.69/2,422.50
  6. Step 6: Final answer
    x = 2,373.95

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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.