Home / 2,731.84-4,116.19-2,255.56

Finding the Fourth Proportional to 2,731.84, 4,116.19 and 2,255.56

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Solution

The fourth proportional to 2,731.84, 4,116.19 and 2,255.56 is: 3,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.84 : 4,116.19 = 2,255.56 : x
  2. Step 2: Convert to fraction form
    2,731.84/4,116.19 = 2,255.56/x
  3. Step 3: Cross multiply
    2,731.84x = 4,116.19 × 2,255.56
  4. Step 4: Simplify right side
    2,731.84x = 9,284,313.52
  5. Step 5: Solve for x
    x = 9,284,313.52/2,731.84
  6. Step 6: Final answer
    x = 3,398.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.