Home / 3,453.14-5,154.68-3,196.20

Finding the Fourth Proportional to 3,453.14, 5,154.68 and 3,196.20

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Solution

The fourth proportional to 3,453.14, 5,154.68 and 3,196.20 is: 4,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.14 : 5,154.68 = 3,196.20 : x
  2. Step 2: Convert to fraction form
    3,453.14/5,154.68 = 3,196.20/x
  3. Step 3: Cross multiply
    3,453.14x = 5,154.68 × 3,196.20
  4. Step 4: Simplify right side
    3,453.14x = 16,475,388.22
  5. Step 5: Solve for x
    x = 16,475,388.22/3,453.14
  6. Step 6: Final answer
    x = 4,771.13

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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.