Home / 2,941.20-4,411.20-1,092.28

Finding the Fourth Proportional to 2,941.20, 4,411.20 and 1,092.28

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Solution

The fourth proportional to 2,941.20, 4,411.20 and 1,092.28 is: 1,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.20 : 4,411.20 = 1,092.28 : x
  2. Step 2: Convert to fraction form
    2,941.20/4,411.20 = 1,092.28/x
  3. Step 3: Cross multiply
    2,941.20x = 4,411.20 × 1,092.28
  4. Step 4: Simplify right side
    2,941.20x = 4,818,265.54
  5. Step 5: Solve for x
    x = 4,818,265.54/2,941.20
  6. Step 6: Final answer
    x = 1,638.20

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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.