Home / 2,027.93-2,799.14-1,188.81

Finding the Fourth Proportional to 2,027.93, 2,799.14 and 1,188.81

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Solution

The fourth proportional to 2,027.93, 2,799.14 and 1,188.81 is: 1,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.93 : 2,799.14 = 1,188.81 : x
  2. Step 2: Convert to fraction form
    2,027.93/2,799.14 = 1,188.81/x
  3. Step 3: Cross multiply
    2,027.93x = 2,799.14 × 1,188.81
  4. Step 4: Simplify right side
    2,027.93x = 3,327,639.68
  5. Step 5: Solve for x
    x = 3,327,639.68/2,027.93
  6. Step 6: Final answer
    x = 1,640.91

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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.