Home / 3,622.68-5,429.43-1,540.26

Finding the Fourth Proportional to 3,622.68, 5,429.43 and 1,540.26

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Solution

The fourth proportional to 3,622.68, 5,429.43 and 1,540.26 is: 2,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.68 : 5,429.43 = 1,540.26 : x
  2. Step 2: Convert to fraction form
    3,622.68/5,429.43 = 1,540.26/x
  3. Step 3: Cross multiply
    3,622.68x = 5,429.43 × 1,540.26
  4. Step 4: Simplify right side
    3,622.68x = 8,362,733.85
  5. Step 5: Solve for x
    x = 8,362,733.85/3,622.68
  6. Step 6: Final answer
    x = 2,308.44

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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.