Home / 1,339.45-1,847.14-1,044.61

Finding the Fourth Proportional to 1,339.45, 1,847.14 and 1,044.61

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Solution

The fourth proportional to 1,339.45, 1,847.14 and 1,044.61 is: 1,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.45 : 1,847.14 = 1,044.61 : x
  2. Step 2: Convert to fraction form
    1,339.45/1,847.14 = 1,044.61/x
  3. Step 3: Cross multiply
    1,339.45x = 1,847.14 × 1,044.61
  4. Step 4: Simplify right side
    1,339.45x = 1,929,540.92
  5. Step 5: Solve for x
    x = 1,929,540.92/1,339.45
  6. Step 6: Final answer
    x = 1,440.55

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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.