Home / 3,722.47-5,581.26-2,079.19

Finding the Fourth Proportional to 3,722.47, 5,581.26 and 2,079.19

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Solution

The fourth proportional to 3,722.47, 5,581.26 and 2,079.19 is: 3,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.47 : 5,581.26 = 2,079.19 : x
  2. Step 2: Convert to fraction form
    3,722.47/5,581.26 = 2,079.19/x
  3. Step 3: Cross multiply
    3,722.47x = 5,581.26 × 2,079.19
  4. Step 4: Simplify right side
    3,722.47x = 11,604,499.98
  5. Step 5: Solve for x
    x = 11,604,499.98/3,722.47
  6. Step 6: Final answer
    x = 3,117.42

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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.