Home / 3,723.75-5,586.91-2,479.34

Finding the Fourth Proportional to 3,723.75, 5,586.91 and 2,479.34

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Solution

The fourth proportional to 3,723.75, 5,586.91 and 2,479.34 is: 3,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.75 : 5,586.91 = 2,479.34 : x
  2. Step 2: Convert to fraction form
    3,723.75/5,586.91 = 2,479.34/x
  3. Step 3: Cross multiply
    3,723.75x = 5,586.91 × 2,479.34
  4. Step 4: Simplify right side
    3,723.75x = 13,851,857.21
  5. Step 5: Solve for x
    x = 13,851,857.21/3,723.75
  6. Step 6: Final answer
    x = 3,719.87

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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.