Home / 2,942.28-4,060.32-1,615.98

Finding the Fourth Proportional to 2,942.28, 4,060.32 and 1,615.98

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Solution

The fourth proportional to 2,942.28, 4,060.32 and 1,615.98 is: 2,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.28 : 4,060.32 = 1,615.98 : x
  2. Step 2: Convert to fraction form
    2,942.28/4,060.32 = 1,615.98/x
  3. Step 3: Cross multiply
    2,942.28x = 4,060.32 × 1,615.98
  4. Step 4: Simplify right side
    2,942.28x = 6,561,395.91
  5. Step 5: Solve for x
    x = 6,561,395.91/2,942.28
  6. Step 6: Final answer
    x = 2,230.04

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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.