Home / 3,223.10-4,836.20-1,578.75

Finding the Fourth Proportional to 3,223.10, 4,836.20 and 1,578.75

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Solution

The fourth proportional to 3,223.10, 4,836.20 and 1,578.75 is: 2,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.10 : 4,836.20 = 1,578.75 : x
  2. Step 2: Convert to fraction form
    3,223.10/4,836.20 = 1,578.75/x
  3. Step 3: Cross multiply
    3,223.10x = 4,836.20 × 1,578.75
  4. Step 4: Simplify right side
    3,223.10x = 7,635,150.75
  5. Step 5: Solve for x
    x = 7,635,150.75/3,223.10
  6. Step 6: Final answer
    x = 2,368.88

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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.