Home / 3,834.26-5,293.05-2,890.43

Finding the Fourth Proportional to 3,834.26, 5,293.05 and 2,890.43

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Solution

The fourth proportional to 3,834.26, 5,293.05 and 2,890.43 is: 3,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.26 : 5,293.05 = 2,890.43 : x
  2. Step 2: Convert to fraction form
    3,834.26/5,293.05 = 2,890.43/x
  3. Step 3: Cross multiply
    3,834.26x = 5,293.05 × 2,890.43
  4. Step 4: Simplify right side
    3,834.26x = 15,299,187.63
  5. Step 5: Solve for x
    x = 15,299,187.63/3,834.26
  6. Step 6: Final answer
    x = 3,990.13

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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.