Home / 2,073.25-2,861.09-1,189.02

Finding the Fourth Proportional to 2,073.25, 2,861.09 and 1,189.02

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Solution

The fourth proportional to 2,073.25, 2,861.09 and 1,189.02 is: 1,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.25 : 2,861.09 = 1,189.02 : x
  2. Step 2: Convert to fraction form
    2,073.25/2,861.09 = 1,189.02/x
  3. Step 3: Cross multiply
    2,073.25x = 2,861.09 × 1,189.02
  4. Step 4: Simplify right side
    2,073.25x = 3,401,872.98
  5. Step 5: Solve for x
    x = 3,401,872.98/2,073.25
  6. Step 6: Final answer
    x = 1,640.84

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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.