Home / 3,568.60-5,359.30-3,453.40

Finding the Fourth Proportional to 3,568.60, 5,359.30 and 3,453.40

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Solution

The fourth proportional to 3,568.60, 5,359.30 and 3,453.40 is: 5,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.60 : 5,359.30 = 3,453.40 : x
  2. Step 2: Convert to fraction form
    3,568.60/5,359.30 = 3,453.40/x
  3. Step 3: Cross multiply
    3,568.60x = 5,359.30 × 3,453.40
  4. Step 4: Simplify right side
    3,568.60x = 18,507,806.62
  5. Step 5: Solve for x
    x = 18,507,806.62/3,568.60
  6. Step 6: Final answer
    x = 5,186.29

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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.