Home / 3,722.06-5,581.67-2,491.88

Finding the Fourth Proportional to 3,722.06, 5,581.67 and 2,491.88

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Solution

The fourth proportional to 3,722.06, 5,581.67 and 2,491.88 is: 3,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.06 : 5,581.67 = 2,491.88 : x
  2. Step 2: Convert to fraction form
    3,722.06/5,581.67 = 2,491.88/x
  3. Step 3: Cross multiply
    3,722.06x = 5,581.67 × 2,491.88
  4. Step 4: Simplify right side
    3,722.06x = 13,908,811.47
  5. Step 5: Solve for x
    x = 13,908,811.47/3,722.06
  6. Step 6: Final answer
    x = 3,736.86

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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.