Home / 3,331.85-4,999.52-1,358.94

Finding the Fourth Proportional to 3,331.85, 4,999.52 and 1,358.94

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Solution

The fourth proportional to 3,331.85, 4,999.52 and 1,358.94 is: 2,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.85 : 4,999.52 = 1,358.94 : x
  2. Step 2: Convert to fraction form
    3,331.85/4,999.52 = 1,358.94/x
  3. Step 3: Cross multiply
    3,331.85x = 4,999.52 × 1,358.94
  4. Step 4: Simplify right side
    3,331.85x = 6,794,040.16
  5. Step 5: Solve for x
    x = 6,794,040.16/3,331.85
  6. Step 6: Final answer
    x = 2,039.12

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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.