Home / 3,900.55-5,844.35-2,743.87

Finding the Fourth Proportional to 3,900.55, 5,844.35 and 2,743.87

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Solution

The fourth proportional to 3,900.55, 5,844.35 and 2,743.87 is: 4,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.55 : 5,844.35 = 2,743.87 : x
  2. Step 2: Convert to fraction form
    3,900.55/5,844.35 = 2,743.87/x
  3. Step 3: Cross multiply
    3,900.55x = 5,844.35 × 2,743.87
  4. Step 4: Simplify right side
    3,900.55x = 16,036,122.92
  5. Step 5: Solve for x
    x = 16,036,122.92/3,900.55
  6. Step 6: Final answer
    x = 4,111.25

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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.