Home / 3,743.92-5,608.14-1,790.20

Finding the Fourth Proportional to 3,743.92, 5,608.14 and 1,790.20

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Solution

The fourth proportional to 3,743.92, 5,608.14 and 1,790.20 is: 2,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.92 : 5,608.14 = 1,790.20 : x
  2. Step 2: Convert to fraction form
    3,743.92/5,608.14 = 1,790.20/x
  3. Step 3: Cross multiply
    3,743.92x = 5,608.14 × 1,790.20
  4. Step 4: Simplify right side
    3,743.92x = 10,039,692.23
  5. Step 5: Solve for x
    x = 10,039,692.23/3,743.92
  6. Step 6: Final answer
    x = 2,681.60

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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.