Home / 2,229.95-3,077.26-1,235.27

Finding the Fourth Proportional to 2,229.95, 3,077.26 and 1,235.27

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Solution

The fourth proportional to 2,229.95, 3,077.26 and 1,235.27 is: 1,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.95 : 3,077.26 = 1,235.27 : x
  2. Step 2: Convert to fraction form
    2,229.95/3,077.26 = 1,235.27/x
  3. Step 3: Cross multiply
    2,229.95x = 3,077.26 × 1,235.27
  4. Step 4: Simplify right side
    2,229.95x = 3,801,251.57
  5. Step 5: Solve for x
    x = 3,801,251.57/2,229.95
  6. Step 6: Final answer
    x = 1,704.63

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1.5x scale

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.