Home / 2,733.28-3,772.80-2,315.92

Finding the Fourth Proportional to 2,733.28, 3,772.80 and 2,315.92

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Solution

The fourth proportional to 2,733.28, 3,772.80 and 2,315.92 is: 3,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.28 : 3,772.80 = 2,315.92 : x
  2. Step 2: Convert to fraction form
    2,733.28/3,772.80 = 2,315.92/x
  3. Step 3: Cross multiply
    2,733.28x = 3,772.80 × 2,315.92
  4. Step 4: Simplify right side
    2,733.28x = 8,737,502.98
  5. Step 5: Solve for x
    x = 8,737,502.98/2,733.28
  6. Step 6: Final answer
    x = 3,196.71

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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.