Home / 3,293.46-4,940.28-1,101.78

Finding the Fourth Proportional to 3,293.46, 4,940.28 and 1,101.78

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Solution

The fourth proportional to 3,293.46, 4,940.28 and 1,101.78 is: 1,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.46 : 4,940.28 = 1,101.78 : x
  2. Step 2: Convert to fraction form
    3,293.46/4,940.28 = 1,101.78/x
  3. Step 3: Cross multiply
    3,293.46x = 4,940.28 × 1,101.78
  4. Step 4: Simplify right side
    3,293.46x = 5,443,101.70
  5. Step 5: Solve for x
    x = 5,443,101.70/3,293.46
  6. Step 6: Final answer
    x = 1,652.70

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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.