Home / 2,269.61-3,132.06-1,274.97

Finding the Fourth Proportional to 2,269.61, 3,132.06 and 1,274.97

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Solution

The fourth proportional to 2,269.61, 3,132.06 and 1,274.97 is: 1,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.61 : 3,132.06 = 1,274.97 : x
  2. Step 2: Convert to fraction form
    2,269.61/3,132.06 = 1,274.97/x
  3. Step 3: Cross multiply
    2,269.61x = 3,132.06 × 1,274.97
  4. Step 4: Simplify right side
    2,269.61x = 3,993,282.54
  5. Step 5: Solve for x
    x = 3,993,282.54/2,269.61
  6. Step 6: Final answer
    x = 1,759.46

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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.