Home / 2,942.40-4,060.35-2,242.56

Finding the Fourth Proportional to 2,942.40, 4,060.35 and 2,242.56

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Solution

The fourth proportional to 2,942.40, 4,060.35 and 2,242.56 is: 3,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.40 : 4,060.35 = 2,242.56 : x
  2. Step 2: Convert to fraction form
    2,942.40/4,060.35 = 2,242.56/x
  3. Step 3: Cross multiply
    2,942.40x = 4,060.35 × 2,242.56
  4. Step 4: Simplify right side
    2,942.40x = 9,105,578.50
  5. Step 5: Solve for x
    x = 9,105,578.50/2,942.40
  6. Step 6: Final answer
    x = 3,094.61

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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.