Home / 2,850.87-4,275.49-1,095.75

Finding the Fourth Proportional to 2,850.87, 4,275.49 and 1,095.75

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Solution

The fourth proportional to 2,850.87, 4,275.49 and 1,095.75 is: 1,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.87 : 4,275.49 = 1,095.75 : x
  2. Step 2: Convert to fraction form
    2,850.87/4,275.49 = 1,095.75/x
  3. Step 3: Cross multiply
    2,850.87x = 4,275.49 × 1,095.75
  4. Step 4: Simplify right side
    2,850.87x = 4,684,852.38
  5. Step 5: Solve for x
    x = 4,684,852.38/2,850.87
  6. Step 6: Final answer
    x = 1,643.31

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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.