Home / 2,265.48-3,399-1,169.28

Finding the Fourth Proportional to 2,265.48, 3,399 and 1,169.28

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Solution

The fourth proportional to 2,265.48, 3,399 and 1,169.28 is: 1,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.48 : 3,399 = 1,169.28 : x
  2. Step 2: Convert to fraction form
    2,265.48/3,399 = 1,169.28/x
  3. Step 3: Cross multiply
    2,265.48x = 3,399 × 1,169.28
  4. Step 4: Simplify right side
    2,265.48x = 3,974,382.72
  5. Step 5: Solve for x
    x = 3,974,382.72/2,265.48
  6. Step 6: Final answer
    x = 1,754.32

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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.