Home / 2,763.11-4,144.80-914.18

Finding the Fourth Proportional to 2,763.11, 4,144.80 and 914.18

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Solution

The fourth proportional to 2,763.11, 4,144.80 and 914.18 is: 1,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.11 : 4,144.80 = 914.18 : x
  2. Step 2: Convert to fraction form
    2,763.11/4,144.80 = 914.18/x
  3. Step 3: Cross multiply
    2,763.11x = 4,144.80 × 914.18
  4. Step 4: Simplify right side
    2,763.11x = 3,789,093.26
  5. Step 5: Solve for x
    x = 3,789,093.26/2,763.11
  6. Step 6: Final answer
    x = 1,371.31

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1.5x scale

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.