Home / 3,489.16-4,816.30-2,310.61

Finding the Fourth Proportional to 3,489.16, 4,816.30 and 2,310.61

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Solution

The fourth proportional to 3,489.16, 4,816.30 and 2,310.61 is: 3,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.16 : 4,816.30 = 2,310.61 : x
  2. Step 2: Convert to fraction form
    3,489.16/4,816.30 = 2,310.61/x
  3. Step 3: Cross multiply
    3,489.16x = 4,816.30 × 2,310.61
  4. Step 4: Simplify right side
    3,489.16x = 11,128,566.86
  5. Step 5: Solve for x
    x = 11,128,566.86/3,489.16
  6. Step 6: Final answer
    x = 3,189.47

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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.