Home / 2,939.75-4,401.72-1,550.19

Finding the Fourth Proportional to 2,939.75, 4,401.72 and 1,550.19

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Solution

The fourth proportional to 2,939.75, 4,401.72 and 1,550.19 is: 2,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.75 : 4,401.72 = 1,550.19 : x
  2. Step 2: Convert to fraction form
    2,939.75/4,401.72 = 1,550.19/x
  3. Step 3: Cross multiply
    2,939.75x = 4,401.72 × 1,550.19
  4. Step 4: Simplify right side
    2,939.75x = 6,823,502.33
  5. Step 5: Solve for x
    x = 6,823,502.33/2,939.75
  6. Step 6: Final answer
    x = 2,321.12

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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.