Home / 3,520.74-5,253.66-3,496.44

Finding the Fourth Proportional to 3,520.74, 5,253.66 and 3,496.44

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Solution

The fourth proportional to 3,520.74, 5,253.66 and 3,496.44 is: 5,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.74 : 5,253.66 = 3,496.44 : x
  2. Step 2: Convert to fraction form
    3,520.74/5,253.66 = 3,496.44/x
  3. Step 3: Cross multiply
    3,520.74x = 5,253.66 × 3,496.44
  4. Step 4: Simplify right side
    3,520.74x = 18,369,106.97
  5. Step 5: Solve for x
    x = 18,369,106.97/3,520.74
  6. Step 6: Final answer
    x = 5,217.40

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Half scale
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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.