Home / 3,298.78-4,948.42-1,107.52

Finding the Fourth Proportional to 3,298.78, 4,948.42 and 1,107.52

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Solution

The fourth proportional to 3,298.78, 4,948.42 and 1,107.52 is: 1,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.78 : 4,948.42 = 1,107.52 : x
  2. Step 2: Convert to fraction form
    3,298.78/4,948.42 = 1,107.52/x
  3. Step 3: Cross multiply
    3,298.78x = 4,948.42 × 1,107.52
  4. Step 4: Simplify right side
    3,298.78x = 5,480,474.12
  5. Step 5: Solve for x
    x = 5,480,474.12/3,298.78
  6. Step 6: Final answer
    x = 1,661.36

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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.