Home / 3,250.75-4,863.93-1,929.66

Finding the Fourth Proportional to 3,250.75, 4,863.93 and 1,929.66

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Solution

The fourth proportional to 3,250.75, 4,863.93 and 1,929.66 is: 2,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.75 : 4,863.93 = 1,929.66 : x
  2. Step 2: Convert to fraction form
    3,250.75/4,863.93 = 1,929.66/x
  3. Step 3: Cross multiply
    3,250.75x = 4,863.93 × 1,929.66
  4. Step 4: Simplify right side
    3,250.75x = 9,385,756.64
  5. Step 5: Solve for x
    x = 9,385,756.64/3,250.75
  6. Step 6: Final answer
    x = 2,887.26

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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.