Home / 3,088.18-4,257.42-2,091.88

Finding the Fourth Proportional to 3,088.18, 4,257.42 and 2,091.88

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Solution

The fourth proportional to 3,088.18, 4,257.42 and 2,091.88 is: 2,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.18 : 4,257.42 = 2,091.88 : x
  2. Step 2: Convert to fraction form
    3,088.18/4,257.42 = 2,091.88/x
  3. Step 3: Cross multiply
    3,088.18x = 4,257.42 × 2,091.88
  4. Step 4: Simplify right side
    3,088.18x = 8,906,011.75
  5. Step 5: Solve for x
    x = 8,906,011.75/3,088.18
  6. Step 6: Final answer
    x = 2,883.90

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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.