Home / 2,763.14-4,145.52-1,120.87

Finding the Fourth Proportional to 2,763.14, 4,145.52 and 1,120.87

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Solution

The fourth proportional to 2,763.14, 4,145.52 and 1,120.87 is: 1,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.14 : 4,145.52 = 1,120.87 : x
  2. Step 2: Convert to fraction form
    2,763.14/4,145.52 = 1,120.87/x
  3. Step 3: Cross multiply
    2,763.14x = 4,145.52 × 1,120.87
  4. Step 4: Simplify right side
    2,763.14x = 4,646,568.27
  5. Step 5: Solve for x
    x = 4,646,568.27/2,763.14
  6. Step 6: Final answer
    x = 1,681.63

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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.