Home / 2,027.73-2,798.20-1,131.49

Finding the Fourth Proportional to 2,027.73, 2,798.20 and 1,131.49

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Solution

The fourth proportional to 2,027.73, 2,798.20 and 1,131.49 is: 1,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.73 : 2,798.20 = 1,131.49 : x
  2. Step 2: Convert to fraction form
    2,027.73/2,798.20 = 1,131.49/x
  3. Step 3: Cross multiply
    2,027.73x = 2,798.20 × 1,131.49
  4. Step 4: Simplify right side
    2,027.73x = 3,166,140.23
  5. Step 5: Solve for x
    x = 3,166,140.23/2,027.73
  6. Step 6: Final answer
    x = 1,561.42

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1.5x scale

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.