Home / 3,321.57-4,982.37-1,130.25

Finding the Fourth Proportional to 3,321.57, 4,982.37 and 1,130.25

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Solution

The fourth proportional to 3,321.57, 4,982.37 and 1,130.25 is: 1,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.57 : 4,982.37 = 1,130.25 : x
  2. Step 2: Convert to fraction form
    3,321.57/4,982.37 = 1,130.25/x
  3. Step 3: Cross multiply
    3,321.57x = 4,982.37 × 1,130.25
  4. Step 4: Simplify right side
    3,321.57x = 5,631,323.69
  5. Step 5: Solve for x
    x = 5,631,323.69/3,321.57
  6. Step 6: Final answer
    x = 1,695.38

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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.