Home / 2,331.85-3,217.91-1,269.58

Finding the Fourth Proportional to 2,331.85, 3,217.91 and 1,269.58

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Solution

The fourth proportional to 2,331.85, 3,217.91 and 1,269.58 is: 1,751.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.85 : 3,217.91 = 1,269.58 : x
  2. Step 2: Convert to fraction form
    2,331.85/3,217.91 = 1,269.58/x
  3. Step 3: Cross multiply
    2,331.85x = 3,217.91 × 1,269.58
  4. Step 4: Simplify right side
    2,331.85x = 4,085,379.79
  5. Step 5: Solve for x
    x = 4,085,379.79/2,331.85
  6. Step 6: Final answer
    x = 1,751.99

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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.