Home / 3,061.34-4,223.91-1,941.87

Finding the Fourth Proportional to 3,061.34, 4,223.91 and 1,941.87

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Solution

The fourth proportional to 3,061.34, 4,223.91 and 1,941.87 is: 2,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.34 : 4,223.91 = 1,941.87 : x
  2. Step 2: Convert to fraction form
    3,061.34/4,223.91 = 1,941.87/x
  3. Step 3: Cross multiply
    3,061.34x = 4,223.91 × 1,941.87
  4. Step 4: Simplify right side
    3,061.34x = 8,202,284.11
  5. Step 5: Solve for x
    x = 8,202,284.11/3,061.34
  6. Step 6: Final answer
    x = 2,679.31

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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.