Home / 3,280.67-4,921.73-1,200.63

Finding the Fourth Proportional to 3,280.67, 4,921.73 and 1,200.63

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Solution

The fourth proportional to 3,280.67, 4,921.73 and 1,200.63 is: 1,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.67 : 4,921.73 = 1,200.63 : x
  2. Step 2: Convert to fraction form
    3,280.67/4,921.73 = 1,200.63/x
  3. Step 3: Cross multiply
    3,280.67x = 4,921.73 × 1,200.63
  4. Step 4: Simplify right side
    3,280.67x = 5,909,164.10
  5. Step 5: Solve for x
    x = 5,909,164.10/3,280.67
  6. Step 6: Final answer
    x = 1,801.21

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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.