Home / 2,269.91-3,400.31-1,159.28

Finding the Fourth Proportional to 2,269.91, 3,400.31 and 1,159.28

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Solution

The fourth proportional to 2,269.91, 3,400.31 and 1,159.28 is: 1,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.91 : 3,400.31 = 1,159.28 : x
  2. Step 2: Convert to fraction form
    2,269.91/3,400.31 = 1,159.28/x
  3. Step 3: Cross multiply
    2,269.91x = 3,400.31 × 1,159.28
  4. Step 4: Simplify right side
    2,269.91x = 3,941,922.78
  5. Step 5: Solve for x
    x = 3,941,922.78/2,269.91
  6. Step 6: Final answer
    x = 1,736.60

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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.