Home / 2,733.68-3,767.52-2,156.96

Finding the Fourth Proportional to 2,733.68, 3,767.52 and 2,156.96

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Solution

The fourth proportional to 2,733.68, 3,767.52 and 2,156.96 is: 2,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.68 : 3,767.52 = 2,156.96 : x
  2. Step 2: Convert to fraction form
    2,733.68/3,767.52 = 2,156.96/x
  3. Step 3: Cross multiply
    2,733.68x = 3,767.52 × 2,156.96
  4. Step 4: Simplify right side
    2,733.68x = 8,126,389.94
  5. Step 5: Solve for x
    x = 8,126,389.94/2,733.68
  6. Step 6: Final answer
    x = 2,972.69

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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.