Home / 3,186.03-4,781.78-1,543.81

Finding the Fourth Proportional to 3,186.03, 4,781.78 and 1,543.81

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Solution

The fourth proportional to 3,186.03, 4,781.78 and 1,543.81 is: 2,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.03 : 4,781.78 = 1,543.81 : x
  2. Step 2: Convert to fraction form
    3,186.03/4,781.78 = 1,543.81/x
  3. Step 3: Cross multiply
    3,186.03x = 4,781.78 × 1,543.81
  4. Step 4: Simplify right side
    3,186.03x = 7,382,163.55
  5. Step 5: Solve for x
    x = 7,382,163.55/3,186.03
  6. Step 6: Final answer
    x = 2,317.04

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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.