Home / 2,331.11-3,217.19-1,336.50

Finding the Fourth Proportional to 2,331.11, 3,217.19 and 1,336.50

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Solution

The fourth proportional to 2,331.11, 3,217.19 and 1,336.50 is: 1,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.11 : 3,217.19 = 1,336.50 : x
  2. Step 2: Convert to fraction form
    2,331.11/3,217.19 = 1,336.50/x
  3. Step 3: Cross multiply
    2,331.11x = 3,217.19 × 1,336.50
  4. Step 4: Simplify right side
    2,331.11x = 4,299,767.75
  5. Step 5: Solve for x
    x = 4,299,767.75/2,331.11
  6. Step 6: Final answer
    x = 1,844.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.