Home / 3,169.20-4,373.40-1,771.92

Finding the Fourth Proportional to 3,169.20, 4,373.40 and 1,771.92

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Solution

The fourth proportional to 3,169.20, 4,373.40 and 1,771.92 is: 2,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.20 : 4,373.40 = 1,771.92 : x
  2. Step 2: Convert to fraction form
    3,169.20/4,373.40 = 1,771.92/x
  3. Step 3: Cross multiply
    3,169.20x = 4,373.40 × 1,771.92
  4. Step 4: Simplify right side
    3,169.20x = 7,749,314.93
  5. Step 5: Solve for x
    x = 7,749,314.93/3,169.20
  6. Step 6: Final answer
    x = 2,445.20

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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.