Home / 3,851.14-5,777.03-1,077.81

Finding the Fourth Proportional to 3,851.14, 5,777.03 and 1,077.81

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Solution

The fourth proportional to 3,851.14, 5,777.03 and 1,077.81 is: 1,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.14 : 5,777.03 = 1,077.81 : x
  2. Step 2: Convert to fraction form
    3,851.14/5,777.03 = 1,077.81/x
  3. Step 3: Cross multiply
    3,851.14x = 5,777.03 × 1,077.81
  4. Step 4: Simplify right side
    3,851.14x = 6,226,540.70
  5. Step 5: Solve for x
    x = 6,226,540.70/3,851.14
  6. Step 6: Final answer
    x = 1,616.80

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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.