Home / 2,147.36-3,222.12-1,600.64

Finding the Fourth Proportional to 2,147.36, 3,222.12 and 1,600.64

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Solution

The fourth proportional to 2,147.36, 3,222.12 and 1,600.64 is: 2,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.36 : 3,222.12 = 1,600.64 : x
  2. Step 2: Convert to fraction form
    2,147.36/3,222.12 = 1,600.64/x
  3. Step 3: Cross multiply
    2,147.36x = 3,222.12 × 1,600.64
  4. Step 4: Simplify right side
    2,147.36x = 5,157,454.16
  5. Step 5: Solve for x
    x = 5,157,454.16/2,147.36
  6. Step 6: Final answer
    x = 2,401.77

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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.