Home / 3,726.35-5,611.82-3,394.20

Finding the Fourth Proportional to 3,726.35, 5,611.82 and 3,394.20

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Solution

The fourth proportional to 3,726.35, 5,611.82 and 3,394.20 is: 5,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.35 : 5,611.82 = 3,394.20 : x
  2. Step 2: Convert to fraction form
    3,726.35/5,611.82 = 3,394.20/x
  3. Step 3: Cross multiply
    3,726.35x = 5,611.82 × 3,394.20
  4. Step 4: Simplify right side
    3,726.35x = 19,047,622.47
  5. Step 5: Solve for x
    x = 19,047,622.47/3,726.35
  6. Step 6: Final answer
    x = 5,111.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.