Home / 2,027.14-2,797.80-1,280.86

Finding the Fourth Proportional to 2,027.14, 2,797.80 and 1,280.86

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Solution

The fourth proportional to 2,027.14, 2,797.80 and 1,280.86 is: 1,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.14 : 2,797.80 = 1,280.86 : x
  2. Step 2: Convert to fraction form
    2,027.14/2,797.80 = 1,280.86/x
  3. Step 3: Cross multiply
    2,027.14x = 2,797.80 × 1,280.86
  4. Step 4: Simplify right side
    2,027.14x = 3,583,590.11
  5. Step 5: Solve for x
    x = 3,583,590.11/2,027.14
  6. Step 6: Final answer
    x = 1,767.81

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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.