Home / 3,917.11-5,876.61-1,284.81

Finding the Fourth Proportional to 3,917.11, 5,876.61 and 1,284.81

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Solution

The fourth proportional to 3,917.11, 5,876.61 and 1,284.81 is: 1,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.11 : 5,876.61 = 1,284.81 : x
  2. Step 2: Convert to fraction form
    3,917.11/5,876.61 = 1,284.81/x
  3. Step 3: Cross multiply
    3,917.11x = 5,876.61 × 1,284.81
  4. Step 4: Simplify right side
    3,917.11x = 7,550,327.29
  5. Step 5: Solve for x
    x = 7,550,327.29/3,917.11
  6. Step 6: Final answer
    x = 1,927.52

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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.