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Finding the Fourth Proportional to 3,159.92, 4,360.68 and 1,743.56

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Solution

The fourth proportional to 3,159.92, 4,360.68 and 1,743.56 is: 2,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.92 : 4,360.68 = 1,743.56 : x
  2. Step 2: Convert to fraction form
    3,159.92/4,360.68 = 1,743.56/x
  3. Step 3: Cross multiply
    3,159.92x = 4,360.68 × 1,743.56
  4. Step 4: Simplify right side
    3,159.92x = 7,603,107.22
  5. Step 5: Solve for x
    x = 7,603,107.22/3,159.92
  6. Step 6: Final answer
    x = 2,406.11

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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.