Home / 3,040.57-4,561.63-849.31

Finding the Fourth Proportional to 3,040.57, 4,561.63 and 849.31

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Solution

The fourth proportional to 3,040.57, 4,561.63 and 849.31 is: 1,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.57 : 4,561.63 = 849.31 : x
  2. Step 2: Convert to fraction form
    3,040.57/4,561.63 = 849.31/x
  3. Step 3: Cross multiply
    3,040.57x = 4,561.63 × 849.31
  4. Step 4: Simplify right side
    3,040.57x = 3,874,237.98
  5. Step 5: Solve for x
    x = 3,874,237.98/3,040.57
  6. Step 6: Final answer
    x = 1,274.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.