Home / 3,851.38-5,776.84-1,077.99

Finding the Fourth Proportional to 3,851.38, 5,776.84 and 1,077.99

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Solution

The fourth proportional to 3,851.38, 5,776.84 and 1,077.99 is: 1,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.38 : 5,776.84 = 1,077.99 : x
  2. Step 2: Convert to fraction form
    3,851.38/5,776.84 = 1,077.99/x
  3. Step 3: Cross multiply
    3,851.38x = 5,776.84 × 1,077.99
  4. Step 4: Simplify right side
    3,851.38x = 6,227,341.48
  5. Step 5: Solve for x
    x = 6,227,341.48/3,851.38
  6. Step 6: Final answer
    x = 1,616.91

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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.