Home / 3,372.44-4,656.83-2,115.61

Finding the Fourth Proportional to 3,372.44, 4,656.83 and 2,115.61

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Solution

The fourth proportional to 3,372.44, 4,656.83 and 2,115.61 is: 2,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.44 : 4,656.83 = 2,115.61 : x
  2. Step 2: Convert to fraction form
    3,372.44/4,656.83 = 2,115.61/x
  3. Step 3: Cross multiply
    3,372.44x = 4,656.83 × 2,115.61
  4. Step 4: Simplify right side
    3,372.44x = 9,852,036.12
  5. Step 5: Solve for x
    x = 9,852,036.12/3,372.44
  6. Step 6: Final answer
    x = 2,921.34

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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.