Home / 1,229.16-1,694.25-1,069.24

Finding the Fourth Proportional to 1,229.16, 1,694.25 and 1,069.24

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Solution

The fourth proportional to 1,229.16, 1,694.25 and 1,069.24 is: 1,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.16 : 1,694.25 = 1,069.24 : x
  2. Step 2: Convert to fraction form
    1,229.16/1,694.25 = 1,069.24/x
  3. Step 3: Cross multiply
    1,229.16x = 1,694.25 × 1,069.24
  4. Step 4: Simplify right side
    1,229.16x = 1,811,559.87
  5. Step 5: Solve for x
    x = 1,811,559.87/1,229.16
  6. Step 6: Final answer
    x = 1,473.82

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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.