Home / 2,838.05-4,251.80-1,540.61

Finding the Fourth Proportional to 2,838.05, 4,251.80 and 1,540.61

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Solution

The fourth proportional to 2,838.05, 4,251.80 and 1,540.61 is: 2,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.05 : 4,251.80 = 1,540.61 : x
  2. Step 2: Convert to fraction form
    2,838.05/4,251.80 = 1,540.61/x
  3. Step 3: Cross multiply
    2,838.05x = 4,251.80 × 1,540.61
  4. Step 4: Simplify right side
    2,838.05x = 6,550,357.89
  5. Step 5: Solve for x
    x = 6,550,357.89/2,838.05
  6. Step 6: Final answer
    x = 2,308.05

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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.