Home / 3,169.72-4,755.95-1,223.29

Finding the Fourth Proportional to 3,169.72, 4,755.95 and 1,223.29

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Solution

The fourth proportional to 3,169.72, 4,755.95 and 1,223.29 is: 1,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.72 : 4,755.95 = 1,223.29 : x
  2. Step 2: Convert to fraction form
    3,169.72/4,755.95 = 1,223.29/x
  3. Step 3: Cross multiply
    3,169.72x = 4,755.95 × 1,223.29
  4. Step 4: Simplify right side
    3,169.72x = 5,817,899.96
  5. Step 5: Solve for x
    x = 5,817,899.96/3,169.72
  6. Step 6: Final answer
    x = 1,835.46

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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.