Home / 2,027.90-2,797.62-1,188.18

Finding the Fourth Proportional to 2,027.90, 2,797.62 and 1,188.18

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Solution

The fourth proportional to 2,027.90, 2,797.62 and 1,188.18 is: 1,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.90 : 2,797.62 = 1,188.18 : x
  2. Step 2: Convert to fraction form
    2,027.90/2,797.62 = 1,188.18/x
  3. Step 3: Cross multiply
    2,027.90x = 2,797.62 × 1,188.18
  4. Step 4: Simplify right side
    2,027.90x = 3,324,071.68
  5. Step 5: Solve for x
    x = 3,324,071.68/2,027.90
  6. Step 6: Final answer
    x = 1,639.17

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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.