Home / 2,336.20-3,214.42-1,915

Finding the Fourth Proportional to 2,336.20, 3,214.42 and 1,915

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Solution

The fourth proportional to 2,336.20, 3,214.42 and 1,915 is: 2,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.20 : 3,214.42 = 1,915 : x
  2. Step 2: Convert to fraction form
    2,336.20/3,214.42 = 1,915/x
  3. Step 3: Cross multiply
    2,336.20x = 3,214.42 × 1,915
  4. Step 4: Simplify right side
    2,336.20x = 6,155,614.30
  5. Step 5: Solve for x
    x = 6,155,614.30/2,336.20
  6. Step 6: Final answer
    x = 2,634.88

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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.