Home / 2,027.88-2,798.48-1,143.86

Finding the Fourth Proportional to 2,027.88, 2,798.48 and 1,143.86

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Solution

The fourth proportional to 2,027.88, 2,798.48 and 1,143.86 is: 1,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.88 : 2,798.48 = 1,143.86 : x
  2. Step 2: Convert to fraction form
    2,027.88/2,798.48 = 1,143.86/x
  3. Step 3: Cross multiply
    2,027.88x = 2,798.48 × 1,143.86
  4. Step 4: Simplify right side
    2,027.88x = 3,201,058.20
  5. Step 5: Solve for x
    x = 3,201,058.20/2,027.88
  6. Step 6: Final answer
    x = 1,578.52

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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.