Home / 3,540.21-5,283.38-3,397.14

Finding the Fourth Proportional to 3,540.21, 5,283.38 and 3,397.14

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Solution

The fourth proportional to 3,540.21, 5,283.38 and 3,397.14 is: 5,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.21 : 5,283.38 = 3,397.14 : x
  2. Step 2: Convert to fraction form
    3,540.21/5,283.38 = 3,397.14/x
  3. Step 3: Cross multiply
    3,540.21x = 5,283.38 × 3,397.14
  4. Step 4: Simplify right side
    3,540.21x = 17,948,370.92
  5. Step 5: Solve for x
    x = 17,948,370.92/3,540.21
  6. Step 6: Final answer
    x = 5,069.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.