Home / 2,269.28-3,403.20-1,115.84

Finding the Fourth Proportional to 2,269.28, 3,403.20 and 1,115.84

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Solution

The fourth proportional to 2,269.28, 3,403.20 and 1,115.84 is: 1,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.28 : 3,403.20 = 1,115.84 : x
  2. Step 2: Convert to fraction form
    2,269.28/3,403.20 = 1,115.84/x
  3. Step 3: Cross multiply
    2,269.28x = 3,403.20 × 1,115.84
  4. Step 4: Simplify right side
    2,269.28x = 3,797,426.69
  5. Step 5: Solve for x
    x = 3,797,426.69/2,269.28
  6. Step 6: Final answer
    x = 1,673.41

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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.