Home / 3,043.15-4,198.31-2,148.18

Finding the Fourth Proportional to 3,043.15, 4,198.31 and 2,148.18

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Solution

The fourth proportional to 3,043.15, 4,198.31 and 2,148.18 is: 2,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.15 : 4,198.31 = 2,148.18 : x
  2. Step 2: Convert to fraction form
    3,043.15/4,198.31 = 2,148.18/x
  3. Step 3: Cross multiply
    3,043.15x = 4,198.31 × 2,148.18
  4. Step 4: Simplify right side
    3,043.15x = 9,018,725.58
  5. Step 5: Solve for x
    x = 9,018,725.58/3,043.15
  6. Step 6: Final answer
    x = 2,963.62

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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.