Home / 2,581.85-3,565.31-1,877.75

Finding the Fourth Proportional to 2,581.85, 3,565.31 and 1,877.75

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Solution

The fourth proportional to 2,581.85, 3,565.31 and 1,877.75 is: 2,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.85 : 3,565.31 = 1,877.75 : x
  2. Step 2: Convert to fraction form
    2,581.85/3,565.31 = 1,877.75/x
  3. Step 3: Cross multiply
    2,581.85x = 3,565.31 × 1,877.75
  4. Step 4: Simplify right side
    2,581.85x = 6,694,733.64
  5. Step 5: Solve for x
    x = 6,694,733.64/2,581.85
  6. Step 6: Final answer
    x = 2,593.00

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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.