Home / 3,481.33-4,801.52-2,155.77

Finding the Fourth Proportional to 3,481.33, 4,801.52 and 2,155.77

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Solution

The fourth proportional to 3,481.33, 4,801.52 and 2,155.77 is: 2,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.33 : 4,801.52 = 2,155.77 : x
  2. Step 2: Convert to fraction form
    3,481.33/4,801.52 = 2,155.77/x
  3. Step 3: Cross multiply
    3,481.33x = 4,801.52 × 2,155.77
  4. Step 4: Simplify right side
    3,481.33x = 10,350,972.77
  5. Step 5: Solve for x
    x = 10,350,972.77/3,481.33
  6. Step 6: Final answer
    x = 2,973.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.