Home / 2,809.74-3,877.44-1,631.04

Finding the Fourth Proportional to 2,809.74, 3,877.44 and 1,631.04

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Solution

The fourth proportional to 2,809.74, 3,877.44 and 1,631.04 is: 2,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.74 : 3,877.44 = 1,631.04 : x
  2. Step 2: Convert to fraction form
    2,809.74/3,877.44 = 1,631.04/x
  3. Step 3: Cross multiply
    2,809.74x = 3,877.44 × 1,631.04
  4. Step 4: Simplify right side
    2,809.74x = 6,324,259.74
  5. Step 5: Solve for x
    x = 6,324,259.74/2,809.74
  6. Step 6: Final answer
    x = 2,250.83

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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.