Home / 3,622.30-5,433.75-1,157.47

Finding the Fourth Proportional to 3,622.30, 5,433.75 and 1,157.47

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Solution

The fourth proportional to 3,622.30, 5,433.75 and 1,157.47 is: 1,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.30 : 5,433.75 = 1,157.47 : x
  2. Step 2: Convert to fraction form
    3,622.30/5,433.75 = 1,157.47/x
  3. Step 3: Cross multiply
    3,622.30x = 5,433.75 × 1,157.47
  4. Step 4: Simplify right side
    3,622.30x = 6,289,402.61
  5. Step 5: Solve for x
    x = 6,289,402.61/3,622.30
  6. Step 6: Final answer
    x = 1,736.30

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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.