Home / 3,601.87-5,390.96-2,543.11

Finding the Fourth Proportional to 3,601.87, 5,390.96 and 2,543.11

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Solution

The fourth proportional to 3,601.87, 5,390.96 and 2,543.11 is: 3,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.87 : 5,390.96 = 2,543.11 : x
  2. Step 2: Convert to fraction form
    3,601.87/5,390.96 = 2,543.11/x
  3. Step 3: Cross multiply
    3,601.87x = 5,390.96 × 2,543.11
  4. Step 4: Simplify right side
    3,601.87x = 13,709,785.67
  5. Step 5: Solve for x
    x = 13,709,785.67/3,601.87
  6. Step 6: Final answer
    x = 3,806.30

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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.