Home / 2,238.75-3,088.62-1,727.87

Finding the Fourth Proportional to 2,238.75, 3,088.62 and 1,727.87

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Solution

The fourth proportional to 2,238.75, 3,088.62 and 1,727.87 is: 2,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.75 : 3,088.62 = 1,727.87 : x
  2. Step 2: Convert to fraction form
    2,238.75/3,088.62 = 1,727.87/x
  3. Step 3: Cross multiply
    2,238.75x = 3,088.62 × 1,727.87
  4. Step 4: Simplify right side
    2,238.75x = 5,336,718.40
  5. Step 5: Solve for x
    x = 5,336,718.40/2,238.75
  6. Step 6: Final answer
    x = 2,383.79

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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.