Home / 2,269.68-3,135.24-1,778.52

Finding the Fourth Proportional to 2,269.68, 3,135.24 and 1,778.52

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Solution

The fourth proportional to 2,269.68, 3,135.24 and 1,778.52 is: 2,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.68 : 3,135.24 = 1,778.52 : x
  2. Step 2: Convert to fraction form
    2,269.68/3,135.24 = 1,778.52/x
  3. Step 3: Cross multiply
    2,269.68x = 3,135.24 × 1,778.52
  4. Step 4: Simplify right side
    2,269.68x = 5,576,087.04
  5. Step 5: Solve for x
    x = 5,576,087.04/2,269.68
  6. Step 6: Final answer
    x = 2,456.77

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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.