Home / 3,858.15-5,324.23-2,089.75

Finding the Fourth Proportional to 3,858.15, 5,324.23 and 2,089.75

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Solution

The fourth proportional to 3,858.15, 5,324.23 and 2,089.75 is: 2,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.15 : 5,324.23 = 2,089.75 : x
  2. Step 2: Convert to fraction form
    3,858.15/5,324.23 = 2,089.75/x
  3. Step 3: Cross multiply
    3,858.15x = 5,324.23 × 2,089.75
  4. Step 4: Simplify right side
    3,858.15x = 11,126,309.64
  5. Step 5: Solve for x
    x = 11,126,309.64/3,858.15
  6. Step 6: Final answer
    x = 2,883.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.