Home / 2,942.12-4,060.23-1,615.87

Finding the Fourth Proportional to 2,942.12, 4,060.23 and 1,615.87

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Solution

The fourth proportional to 2,942.12, 4,060.23 and 1,615.87 is: 2,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.12 : 4,060.23 = 1,615.87 : x
  2. Step 2: Convert to fraction form
    2,942.12/4,060.23 = 1,615.87/x
  3. Step 3: Cross multiply
    2,942.12x = 4,060.23 × 1,615.87
  4. Step 4: Simplify right side
    2,942.12x = 6,560,814.29
  5. Step 5: Solve for x
    x = 6,560,814.29/2,942.12
  6. Step 6: Final answer
    x = 2,229.96

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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.