Home / 3,489.20-4,816.36-2,310.65

Finding the Fourth Proportional to 3,489.20, 4,816.36 and 2,310.65

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Solution

The fourth proportional to 3,489.20, 4,816.36 and 2,310.65 is: 3,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.20 : 4,816.36 = 2,310.65 : x
  2. Step 2: Convert to fraction form
    3,489.20/4,816.36 = 2,310.65/x
  3. Step 3: Cross multiply
    3,489.20x = 4,816.36 × 2,310.65
  4. Step 4: Simplify right side
    3,489.20x = 11,128,892.38
  5. Step 5: Solve for x
    x = 11,128,892.38/3,489.20
  6. Step 6: Final answer
    x = 3,189.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.