Home / 3,868.83-5,339.12-2,296.62

Finding the Fourth Proportional to 3,868.83, 5,339.12 and 2,296.62

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Solution

The fourth proportional to 3,868.83, 5,339.12 and 2,296.62 is: 3,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.83 : 5,339.12 = 2,296.62 : x
  2. Step 2: Convert to fraction form
    3,868.83/5,339.12 = 2,296.62/x
  3. Step 3: Cross multiply
    3,868.83x = 5,339.12 × 2,296.62
  4. Step 4: Simplify right side
    3,868.83x = 12,261,918.29
  5. Step 5: Solve for x
    x = 12,261,918.29/3,868.83
  6. Step 6: Final answer
    x = 3,169.41

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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.