Home / 2,581.59-3,872.43-1,657.56

Finding the Fourth Proportional to 2,581.59, 3,872.43 and 1,657.56

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Solution

The fourth proportional to 2,581.59, 3,872.43 and 1,657.56 is: 2,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.59 : 3,872.43 = 1,657.56 : x
  2. Step 2: Convert to fraction form
    2,581.59/3,872.43 = 1,657.56/x
  3. Step 3: Cross multiply
    2,581.59x = 3,872.43 × 1,657.56
  4. Step 4: Simplify right side
    2,581.59x = 6,418,785.07
  5. Step 5: Solve for x
    x = 6,418,785.07/2,581.59
  6. Step 6: Final answer
    x = 2,486.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.