Home / 3,917.80-5,874.33-1,543.04

Finding the Fourth Proportional to 3,917.80, 5,874.33 and 1,543.04

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Solution

The fourth proportional to 3,917.80, 5,874.33 and 1,543.04 is: 2,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.80 : 5,874.33 = 1,543.04 : x
  2. Step 2: Convert to fraction form
    3,917.80/5,874.33 = 1,543.04/x
  3. Step 3: Cross multiply
    3,917.80x = 5,874.33 × 1,543.04
  4. Step 4: Simplify right side
    3,917.80x = 9,064,326.16
  5. Step 5: Solve for x
    x = 9,064,326.16/3,917.80
  6. Step 6: Final answer
    x = 2,313.63

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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.