Home / 3,043.38-4,198.32-2,159.58

Finding the Fourth Proportional to 3,043.38, 4,198.32 and 2,159.58

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Solution

The fourth proportional to 3,043.38, 4,198.32 and 2,159.58 is: 2,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.38 : 4,198.32 = 2,159.58 : x
  2. Step 2: Convert to fraction form
    3,043.38/4,198.32 = 2,159.58/x
  3. Step 3: Cross multiply
    3,043.38x = 4,198.32 × 2,159.58
  4. Step 4: Simplify right side
    3,043.38x = 9,066,607.91
  5. Step 5: Solve for x
    x = 9,066,607.91/3,043.38
  6. Step 6: Final answer
    x = 2,979.12

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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.