Home / 3,622.43-5,433.55-1,157.40

Finding the Fourth Proportional to 3,622.43, 5,433.55 and 1,157.40

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Solution

The fourth proportional to 3,622.43, 5,433.55 and 1,157.40 is: 1,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.43 : 5,433.55 = 1,157.40 : x
  2. Step 2: Convert to fraction form
    3,622.43/5,433.55 = 1,157.40/x
  3. Step 3: Cross multiply
    3,622.43x = 5,433.55 × 1,157.40
  4. Step 4: Simplify right side
    3,622.43x = 6,288,787.88
  5. Step 5: Solve for x
    x = 6,288,787.88/3,622.43
  6. Step 6: Final answer
    x = 1,736.07

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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.