Home / 2,575.71-3,861.89-1,695.54

Finding the Fourth Proportional to 2,575.71, 3,861.89 and 1,695.54

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Solution

The fourth proportional to 2,575.71, 3,861.89 and 1,695.54 is: 2,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.71 : 3,861.89 = 1,695.54 : x
  2. Step 2: Convert to fraction form
    2,575.71/3,861.89 = 1,695.54/x
  3. Step 3: Cross multiply
    2,575.71x = 3,861.89 × 1,695.54
  4. Step 4: Simplify right side
    2,575.71x = 6,548,001.33
  5. Step 5: Solve for x
    x = 6,548,001.33/2,575.71
  6. Step 6: Final answer
    x = 2,542.21

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1.5x scale

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.