Home / 3,531.36-5,286.78-3,061.43

Finding the Fourth Proportional to 3,531.36, 5,286.78 and 3,061.43

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Solution

The fourth proportional to 3,531.36, 5,286.78 and 3,061.43 is: 4,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.36 : 5,286.78 = 3,061.43 : x
  2. Step 2: Convert to fraction form
    3,531.36/5,286.78 = 3,061.43/x
  3. Step 3: Cross multiply
    3,531.36x = 5,286.78 × 3,061.43
  4. Step 4: Simplify right side
    3,531.36x = 16,185,106.90
  5. Step 5: Solve for x
    x = 16,185,106.90/3,531.36
  6. Step 6: Final answer
    x = 4,583.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.