Home / 3,412.26-5,120.24-3,164.40

Finding the Fourth Proportional to 3,412.26, 5,120.24 and 3,164.40

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Solution

The fourth proportional to 3,412.26, 5,120.24 and 3,164.40 is: 4,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.26 : 5,120.24 = 3,164.40 : x
  2. Step 2: Convert to fraction form
    3,412.26/5,120.24 = 3,164.40/x
  3. Step 3: Cross multiply
    3,412.26x = 5,120.24 × 3,164.40
  4. Step 4: Simplify right side
    3,412.26x = 16,202,471.63
  5. Step 5: Solve for x
    x = 16,202,471.63/3,412.26
  6. Step 6: Final answer
    x = 4,748.31

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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.