Home / 3,108.75-4,661.49-1,159.35

Finding the Fourth Proportional to 3,108.75, 4,661.49 and 1,159.35

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Solution

The fourth proportional to 3,108.75, 4,661.49 and 1,159.35 is: 1,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.75 : 4,661.49 = 1,159.35 : x
  2. Step 2: Convert to fraction form
    3,108.75/4,661.49 = 1,159.35/x
  3. Step 3: Cross multiply
    3,108.75x = 4,661.49 × 1,159.35
  4. Step 4: Simplify right side
    3,108.75x = 5,404,298.43
  5. Step 5: Solve for x
    x = 5,404,298.43/3,108.75
  6. Step 6: Final answer
    x = 1,738.42

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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.