Home / 2,065.87-2,851.07-1,181.96

Finding the Fourth Proportional to 2,065.87, 2,851.07 and 1,181.96

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Solution

The fourth proportional to 2,065.87, 2,851.07 and 1,181.96 is: 1,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.87 : 2,851.07 = 1,181.96 : x
  2. Step 2: Convert to fraction form
    2,065.87/2,851.07 = 1,181.96/x
  3. Step 3: Cross multiply
    2,065.87x = 2,851.07 × 1,181.96
  4. Step 4: Simplify right side
    2,065.87x = 3,369,850.70
  5. Step 5: Solve for x
    x = 3,369,850.70/2,065.87
  6. Step 6: Final answer
    x = 1,631.20

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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.