Home / 3,591.38-5,389.20-1,643.73

Finding the Fourth Proportional to 3,591.38, 5,389.20 and 1,643.73

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Solution

The fourth proportional to 3,591.38, 5,389.20 and 1,643.73 is: 2,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.38 : 5,389.20 = 1,643.73 : x
  2. Step 2: Convert to fraction form
    3,591.38/5,389.20 = 1,643.73/x
  3. Step 3: Cross multiply
    3,591.38x = 5,389.20 × 1,643.73
  4. Step 4: Simplify right side
    3,591.38x = 8,858,389.72
  5. Step 5: Solve for x
    x = 8,858,389.72/3,591.38
  6. Step 6: Final answer
    x = 2,466.57

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1.5x scale

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.