Home / 2,731.66-3,769.74-1,552.77

Finding the Fourth Proportional to 2,731.66, 3,769.74 and 1,552.77

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Solution

The fourth proportional to 2,731.66, 3,769.74 and 1,552.77 is: 2,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.66 : 3,769.74 = 1,552.77 : x
  2. Step 2: Convert to fraction form
    2,731.66/3,769.74 = 1,552.77/x
  3. Step 3: Cross multiply
    2,731.66x = 3,769.74 × 1,552.77
  4. Step 4: Simplify right side
    2,731.66x = 5,853,539.18
  5. Step 5: Solve for x
    x = 5,853,539.18/2,731.66
  6. Step 6: Final answer
    x = 2,142.85

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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.