Home / 2,586.28-3,881.82-1,609.48

Finding the Fourth Proportional to 2,586.28, 3,881.82 and 1,609.48

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Solution

The fourth proportional to 2,586.28, 3,881.82 and 1,609.48 is: 2,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.28 : 3,881.82 = 1,609.48 : x
  2. Step 2: Convert to fraction form
    2,586.28/3,881.82 = 1,609.48/x
  3. Step 3: Cross multiply
    2,586.28x = 3,881.82 × 1,609.48
  4. Step 4: Simplify right side
    2,586.28x = 6,247,711.65
  5. Step 5: Solve for x
    x = 6,247,711.65/2,586.28
  6. Step 6: Final answer
    x = 2,415.71

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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.