Home / 2,541.78-3,507.71-1,982.88

Finding the Fourth Proportional to 2,541.78, 3,507.71 and 1,982.88

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Solution

The fourth proportional to 2,541.78, 3,507.71 and 1,982.88 is: 2,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.78 : 3,507.71 = 1,982.88 : x
  2. Step 2: Convert to fraction form
    2,541.78/3,507.71 = 1,982.88/x
  3. Step 3: Cross multiply
    2,541.78x = 3,507.71 × 1,982.88
  4. Step 4: Simplify right side
    2,541.78x = 6,955,358.09
  5. Step 5: Solve for x
    x = 6,955,358.09/2,541.78
  6. Step 6: Final answer
    x = 2,736.41

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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.