Home / 1,469.24-2,205.17-739.23

Finding the Fourth Proportional to 1,469.24, 2,205.17 and 739.23

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Solution

The fourth proportional to 1,469.24, 2,205.17 and 739.23 is: 1,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.24 : 2,205.17 = 739.23 : x
  2. Step 2: Convert to fraction form
    1,469.24/2,205.17 = 739.23/x
  3. Step 3: Cross multiply
    1,469.24x = 2,205.17 × 739.23
  4. Step 4: Simplify right side
    1,469.24x = 1,630,124.12
  5. Step 5: Solve for x
    x = 1,630,124.12/1,469.24
  6. Step 6: Final answer
    x = 1,109.51

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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.