Home / 2,027.85-2,798.43-1,143.93

Finding the Fourth Proportional to 2,027.85, 2,798.43 and 1,143.93

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Solution

The fourth proportional to 2,027.85, 2,798.43 and 1,143.93 is: 1,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.85 : 2,798.43 = 1,143.93 : x
  2. Step 2: Convert to fraction form
    2,027.85/2,798.43 = 1,143.93/x
  3. Step 3: Cross multiply
    2,027.85x = 2,798.43 × 1,143.93
  4. Step 4: Simplify right side
    2,027.85x = 3,201,208.03
  5. Step 5: Solve for x
    x = 3,201,208.03/2,027.85
  6. Step 6: Final answer
    x = 1,578.62

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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.