Home / 2,942.38-4,060.47-1,616.05

Finding the Fourth Proportional to 2,942.38, 4,060.47 and 1,616.05

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Solution

The fourth proportional to 2,942.38, 4,060.47 and 1,616.05 is: 2,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.38 : 4,060.47 = 1,616.05 : x
  2. Step 2: Convert to fraction form
    2,942.38/4,060.47 = 1,616.05/x
  3. Step 3: Cross multiply
    2,942.38x = 4,060.47 × 1,616.05
  4. Step 4: Simplify right side
    2,942.38x = 6,561,922.54
  5. Step 5: Solve for x
    x = 6,561,922.54/2,942.38
  6. Step 6: Final answer
    x = 2,230.14

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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.