Home / 3,040.72-4,193.42-2,045.90

Finding the Fourth Proportional to 3,040.72, 4,193.42 and 2,045.90

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Solution

The fourth proportional to 3,040.72, 4,193.42 and 2,045.90 is: 2,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.72 : 4,193.42 = 2,045.90 : x
  2. Step 2: Convert to fraction form
    3,040.72/4,193.42 = 2,045.90/x
  3. Step 3: Cross multiply
    3,040.72x = 4,193.42 × 2,045.90
  4. Step 4: Simplify right side
    3,040.72x = 8,579,317.98
  5. Step 5: Solve for x
    x = 8,579,317.98/3,040.72
  6. Step 6: Final answer
    x = 2,821.48

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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.