Home / 3,884.26-5,357.50-2,390.22

Finding the Fourth Proportional to 3,884.26, 5,357.50 and 2,390.22

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Solution

The fourth proportional to 3,884.26, 5,357.50 and 2,390.22 is: 3,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.26 : 5,357.50 = 2,390.22 : x
  2. Step 2: Convert to fraction form
    3,884.26/5,357.50 = 2,390.22/x
  3. Step 3: Cross multiply
    3,884.26x = 5,357.50 × 2,390.22
  4. Step 4: Simplify right side
    3,884.26x = 12,805,603.65
  5. Step 5: Solve for x
    x = 12,805,603.65/3,884.26
  6. Step 6: Final answer
    x = 3,296.79

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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.