Home / 3,622.86-5,434.20-1,157.64

Finding the Fourth Proportional to 3,622.86, 5,434.20 and 1,157.64

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Solution

The fourth proportional to 3,622.86, 5,434.20 and 1,157.64 is: 1,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.86 : 5,434.20 = 1,157.64 : x
  2. Step 2: Convert to fraction form
    3,622.86/5,434.20 = 1,157.64/x
  3. Step 3: Cross multiply
    3,622.86x = 5,434.20 × 1,157.64
  4. Step 4: Simplify right side
    3,622.86x = 6,290,847.29
  5. Step 5: Solve for x
    x = 6,290,847.29/3,622.86
  6. Step 6: Final answer
    x = 1,736.43

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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.