Home / 2,027.09-2,797.23-1,187.68

Finding the Fourth Proportional to 2,027.09, 2,797.23 and 1,187.68

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Solution

The fourth proportional to 2,027.09, 2,797.23 and 1,187.68 is: 1,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.09 : 2,797.23 = 1,187.68 : x
  2. Step 2: Convert to fraction form
    2,027.09/2,797.23 = 1,187.68/x
  3. Step 3: Cross multiply
    2,027.09x = 2,797.23 × 1,187.68
  4. Step 4: Simplify right side
    2,027.09x = 3,322,214.13
  5. Step 5: Solve for x
    x = 3,322,214.13/2,027.09
  6. Step 6: Final answer
    x = 1,638.91

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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.