Home / 3,289.48-4,934.96-1,098.44

Finding the Fourth Proportional to 3,289.48, 4,934.96 and 1,098.44

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Solution

The fourth proportional to 3,289.48, 4,934.96 and 1,098.44 is: 1,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.48 : 4,934.96 = 1,098.44 : x
  2. Step 2: Convert to fraction form
    3,289.48/4,934.96 = 1,098.44/x
  3. Step 3: Cross multiply
    3,289.48x = 4,934.96 × 1,098.44
  4. Step 4: Simplify right side
    3,289.48x = 5,420,757.46
  5. Step 5: Solve for x
    x = 5,420,757.46/3,289.48
  6. Step 6: Final answer
    x = 1,647.91

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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.