Home / 3,810.77-5,716.33-1,345.85

Finding the Fourth Proportional to 3,810.77, 5,716.33 and 1,345.85

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Solution

The fourth proportional to 3,810.77, 5,716.33 and 1,345.85 is: 2,018.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.77 : 5,716.33 = 1,345.85 : x
  2. Step 2: Convert to fraction form
    3,810.77/5,716.33 = 1,345.85/x
  3. Step 3: Cross multiply
    3,810.77x = 5,716.33 × 1,345.85
  4. Step 4: Simplify right side
    3,810.77x = 7,693,290.78
  5. Step 5: Solve for x
    x = 7,693,290.78/3,810.77
  6. Step 6: Final answer
    x = 2,018.83

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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.