Home / 2,731.42-3,769.68-1,552.67

Finding the Fourth Proportional to 2,731.42, 3,769.68 and 1,552.67

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Solution

The fourth proportional to 2,731.42, 3,769.68 and 1,552.67 is: 2,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.42 : 3,769.68 = 1,552.67 : x
  2. Step 2: Convert to fraction form
    2,731.42/3,769.68 = 1,552.67/x
  3. Step 3: Cross multiply
    2,731.42x = 3,769.68 × 1,552.67
  4. Step 4: Simplify right side
    2,731.42x = 5,853,042.43
  5. Step 5: Solve for x
    x = 5,853,042.43/2,731.42
  6. Step 6: Final answer
    x = 2,142.86

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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.