Home / 3,818.07-5,268.66-2,139.24

Finding the Fourth Proportional to 3,818.07, 5,268.66 and 2,139.24

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Solution

The fourth proportional to 3,818.07, 5,268.66 and 2,139.24 is: 2,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.07 : 5,268.66 = 2,139.24 : x
  2. Step 2: Convert to fraction form
    3,818.07/5,268.66 = 2,139.24/x
  3. Step 3: Cross multiply
    3,818.07x = 5,268.66 × 2,139.24
  4. Step 4: Simplify right side
    3,818.07x = 11,270,928.22
  5. Step 5: Solve for x
    x = 11,270,928.22/3,818.07
  6. Step 6: Final answer
    x = 2,952.00

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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.