Home / 3,255.52-4,491.68-2,077.76

Finding the Fourth Proportional to 3,255.52, 4,491.68 and 2,077.76

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Solution

The fourth proportional to 3,255.52, 4,491.68 and 2,077.76 is: 2,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.52 : 4,491.68 = 2,077.76 : x
  2. Step 2: Convert to fraction form
    3,255.52/4,491.68 = 2,077.76/x
  3. Step 3: Cross multiply
    3,255.52x = 4,491.68 × 2,077.76
  4. Step 4: Simplify right side
    3,255.52x = 9,332,633.04
  5. Step 5: Solve for x
    x = 9,332,633.04/3,255.52
  6. Step 6: Final answer
    x = 2,866.71

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1.5x scale

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.