Home / 3,321.39-4,982.22-1,130.34

Finding the Fourth Proportional to 3,321.39, 4,982.22 and 1,130.34

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Solution

The fourth proportional to 3,321.39, 4,982.22 and 1,130.34 is: 1,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.39 : 4,982.22 = 1,130.34 : x
  2. Step 2: Convert to fraction form
    3,321.39/4,982.22 = 1,130.34/x
  3. Step 3: Cross multiply
    3,321.39x = 4,982.22 × 1,130.34
  4. Step 4: Simplify right side
    3,321.39x = 5,631,602.55
  5. Step 5: Solve for x
    x = 5,631,602.55/3,321.39
  6. Step 6: Final answer
    x = 1,695.56

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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.