Home / 3,917.61-5,876.72-1,144.22

Finding the Fourth Proportional to 3,917.61, 5,876.72 and 1,144.22

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Solution

The fourth proportional to 3,917.61, 5,876.72 and 1,144.22 is: 1,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.61 : 5,876.72 = 1,144.22 : x
  2. Step 2: Convert to fraction form
    3,917.61/5,876.72 = 1,144.22/x
  3. Step 3: Cross multiply
    3,917.61x = 5,876.72 × 1,144.22
  4. Step 4: Simplify right side
    3,917.61x = 6,724,225.45
  5. Step 5: Solve for x
    x = 6,724,225.45/3,917.61
  6. Step 6: Final answer
    x = 1,716.41

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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.