Home / 2,731.85-3,769.99-1,552.92

Finding the Fourth Proportional to 2,731.85, 3,769.99 and 1,552.92

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Solution

The fourth proportional to 2,731.85, 3,769.99 and 1,552.92 is: 2,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.85 : 3,769.99 = 1,552.92 : x
  2. Step 2: Convert to fraction form
    2,731.85/3,769.99 = 1,552.92/x
  3. Step 3: Cross multiply
    2,731.85x = 3,769.99 × 1,552.92
  4. Step 4: Simplify right side
    2,731.85x = 5,854,504.79
  5. Step 5: Solve for x
    x = 5,854,504.79/2,731.85
  6. Step 6: Final answer
    x = 2,143.05

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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.