Home / 3,298.97-4,948.46-1,109.24

Finding the Fourth Proportional to 3,298.97, 4,948.46 and 1,109.24

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Solution

The fourth proportional to 3,298.97, 4,948.46 and 1,109.24 is: 1,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.97 : 4,948.46 = 1,109.24 : x
  2. Step 2: Convert to fraction form
    3,298.97/4,948.46 = 1,109.24/x
  3. Step 3: Cross multiply
    3,298.97x = 4,948.46 × 1,109.24
  4. Step 4: Simplify right side
    3,298.97x = 5,489,017.55
  5. Step 5: Solve for x
    x = 5,489,017.55/3,298.97
  6. Step 6: Final answer
    x = 1,663.86

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1.5x scale

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.