Home / 2,942.89-4,060.19-1,666.59

Finding the Fourth Proportional to 2,942.89, 4,060.19 and 1,666.59

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Solution

The fourth proportional to 2,942.89, 4,060.19 and 1,666.59 is: 2,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.89 : 4,060.19 = 1,666.59 : x
  2. Step 2: Convert to fraction form
    2,942.89/4,060.19 = 1,666.59/x
  3. Step 3: Cross multiply
    2,942.89x = 4,060.19 × 1,666.59
  4. Step 4: Simplify right side
    2,942.89x = 6,766,672.05
  5. Step 5: Solve for x
    x = 6,766,672.05/2,942.89
  6. Step 6: Final answer
    x = 2,299.33

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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.