Home / 3,288.73-4,538.48-1,872.34

Finding the Fourth Proportional to 3,288.73, 4,538.48 and 1,872.34

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Solution

The fourth proportional to 3,288.73, 4,538.48 and 1,872.34 is: 2,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.73 : 4,538.48 = 1,872.34 : x
  2. Step 2: Convert to fraction form
    3,288.73/4,538.48 = 1,872.34/x
  3. Step 3: Cross multiply
    3,288.73x = 4,538.48 × 1,872.34
  4. Step 4: Simplify right side
    3,288.73x = 8,497,577.64
  5. Step 5: Solve for x
    x = 8,497,577.64/3,288.73
  6. Step 6: Final answer
    x = 2,583.85

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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.