Home / 2,738.52-4,107.60-1,178.46

Finding the Fourth Proportional to 2,738.52, 4,107.60 and 1,178.46

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Solution

The fourth proportional to 2,738.52, 4,107.60 and 1,178.46 is: 1,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.52 : 4,107.60 = 1,178.46 : x
  2. Step 2: Convert to fraction form
    2,738.52/4,107.60 = 1,178.46/x
  3. Step 3: Cross multiply
    2,738.52x = 4,107.60 × 1,178.46
  4. Step 4: Simplify right side
    2,738.52x = 4,840,642.30
  5. Step 5: Solve for x
    x = 4,840,642.30/2,738.52
  6. Step 6: Final answer
    x = 1,767.61

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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.