Home / 2,228.95-3,344.79-769.13

Finding the Fourth Proportional to 2,228.95, 3,344.79 and 769.13

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Solution

The fourth proportional to 2,228.95, 3,344.79 and 769.13 is: 1,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.95 : 3,344.79 = 769.13 : x
  2. Step 2: Convert to fraction form
    2,228.95/3,344.79 = 769.13/x
  3. Step 3: Cross multiply
    2,228.95x = 3,344.79 × 769.13
  4. Step 4: Simplify right side
    2,228.95x = 2,572,577.04
  5. Step 5: Solve for x
    x = 2,572,577.04/2,228.95
  6. Step 6: Final answer
    x = 1,154.16

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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.