Home / 3,298.81-4,948.68-1,107.26

Finding the Fourth Proportional to 3,298.81, 4,948.68 and 1,107.26

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Solution

The fourth proportional to 3,298.81, 4,948.68 and 1,107.26 is: 1,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.81 : 4,948.68 = 1,107.26 : x
  2. Step 2: Convert to fraction form
    3,298.81/4,948.68 = 1,107.26/x
  3. Step 3: Cross multiply
    3,298.81x = 4,948.68 × 1,107.26
  4. Step 4: Simplify right side
    3,298.81x = 5,479,475.42
  5. Step 5: Solve for x
    x = 5,479,475.42/3,298.81
  6. Step 6: Final answer
    x = 1,661.05

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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.