Home / 3,219.10-4,829.19-1,575.43

Finding the Fourth Proportional to 3,219.10, 4,829.19 and 1,575.43

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Solution

The fourth proportional to 3,219.10, 4,829.19 and 1,575.43 is: 2,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.10 : 4,829.19 = 1,575.43 : x
  2. Step 2: Convert to fraction form
    3,219.10/4,829.19 = 1,575.43/x
  3. Step 3: Cross multiply
    3,219.10x = 4,829.19 × 1,575.43
  4. Step 4: Simplify right side
    3,219.10x = 7,608,050.80
  5. Step 5: Solve for x
    x = 7,608,050.80/3,219.10
  6. Step 6: Final answer
    x = 2,363.41

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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.