Home / 2,269.44-3,132.24-1,385.76

Finding the Fourth Proportional to 2,269.44, 3,132.24 and 1,385.76

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Solution

The fourth proportional to 2,269.44, 3,132.24 and 1,385.76 is: 1,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.44 : 3,132.24 = 1,385.76 : x
  2. Step 2: Convert to fraction form
    2,269.44/3,132.24 = 1,385.76/x
  3. Step 3: Cross multiply
    2,269.44x = 3,132.24 × 1,385.76
  4. Step 4: Simplify right side
    2,269.44x = 4,340,532.90
  5. Step 5: Solve for x
    x = 4,340,532.90/2,269.44
  6. Step 6: Final answer
    x = 1,912.60

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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.