Home / 2,891.32-4,335.38-1,351.48

Finding the Fourth Proportional to 2,891.32, 4,335.38 and 1,351.48

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Solution

The fourth proportional to 2,891.32, 4,335.38 and 1,351.48 is: 2,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.32 : 4,335.38 = 1,351.48 : x
  2. Step 2: Convert to fraction form
    2,891.32/4,335.38 = 1,351.48/x
  3. Step 3: Cross multiply
    2,891.32x = 4,335.38 × 1,351.48
  4. Step 4: Simplify right side
    2,891.32x = 5,859,179.36
  5. Step 5: Solve for x
    x = 5,859,179.36/2,891.32
  6. Step 6: Final answer
    x = 2,026.47

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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.