Home / 2,081.47-2,872.26-1,197.10

Finding the Fourth Proportional to 2,081.47, 2,872.26 and 1,197.10

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Solution

The fourth proportional to 2,081.47, 2,872.26 and 1,197.10 is: 1,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.47 : 2,872.26 = 1,197.10 : x
  2. Step 2: Convert to fraction form
    2,081.47/2,872.26 = 1,197.10/x
  3. Step 3: Cross multiply
    2,081.47x = 2,872.26 × 1,197.10
  4. Step 4: Simplify right side
    2,081.47x = 3,438,382.45
  5. Step 5: Solve for x
    x = 3,438,382.45/2,081.47
  6. Step 6: Final answer
    x = 1,651.90

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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.