Home / 3,806.46-5,256.90-3,394.26

Finding the Fourth Proportional to 3,806.46, 5,256.90 and 3,394.26

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Solution

The fourth proportional to 3,806.46, 5,256.90 and 3,394.26 is: 4,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.46 : 5,256.90 = 3,394.26 : x
  2. Step 2: Convert to fraction form
    3,806.46/5,256.90 = 3,394.26/x
  3. Step 3: Cross multiply
    3,806.46x = 5,256.90 × 3,394.26
  4. Step 4: Simplify right side
    3,806.46x = 17,843,285.39
  5. Step 5: Solve for x
    x = 17,843,285.39/3,806.46
  6. Step 6: Final answer
    x = 4,687.63

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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.