Home / 3,858.26-5,324.38-2,089.86

Finding the Fourth Proportional to 3,858.26, 5,324.38 and 2,089.86

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Solution

The fourth proportional to 3,858.26, 5,324.38 and 2,089.86 is: 2,884.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.26 : 5,324.38 = 2,089.86 : x
  2. Step 2: Convert to fraction form
    3,858.26/5,324.38 = 2,089.86/x
  3. Step 3: Cross multiply
    3,858.26x = 5,324.38 × 2,089.86
  4. Step 4: Simplify right side
    3,858.26x = 11,127,208.79
  5. Step 5: Solve for x
    x = 11,127,208.79/3,858.26
  6. Step 6: Final answer
    x = 2,884.00

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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.