Home / 2,872.80-4,305.96-2,093.58

Finding the Fourth Proportional to 2,872.80, 4,305.96 and 2,093.58

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Solution

The fourth proportional to 2,872.80, 4,305.96 and 2,093.58 is: 3,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.80 : 4,305.96 = 2,093.58 : x
  2. Step 2: Convert to fraction form
    2,872.80/4,305.96 = 2,093.58/x
  3. Step 3: Cross multiply
    2,872.80x = 4,305.96 × 2,093.58
  4. Step 4: Simplify right side
    2,872.80x = 9,014,871.74
  5. Step 5: Solve for x
    x = 9,014,871.74/2,872.80
  6. Step 6: Final answer
    x = 3,138.01

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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.