Home / 3,915.14-5,398.25-3,204.36

Finding the Fourth Proportional to 3,915.14, 5,398.25 and 3,204.36

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Solution

The fourth proportional to 3,915.14, 5,398.25 and 3,204.36 is: 4,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.14 : 5,398.25 = 3,204.36 : x
  2. Step 2: Convert to fraction form
    3,915.14/5,398.25 = 3,204.36/x
  3. Step 3: Cross multiply
    3,915.14x = 5,398.25 × 3,204.36
  4. Step 4: Simplify right side
    3,915.14x = 17,297,920.35
  5. Step 5: Solve for x
    x = 17,297,920.35/3,915.14
  6. Step 6: Final answer
    x = 4,418.22

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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.