Home / 3,811.10-5,257.64-2,238.48

Finding the Fourth Proportional to 3,811.10, 5,257.64 and 2,238.48

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Solution

The fourth proportional to 3,811.10, 5,257.64 and 2,238.48 is: 3,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.10 : 5,257.64 = 2,238.48 : x
  2. Step 2: Convert to fraction form
    3,811.10/5,257.64 = 2,238.48/x
  3. Step 3: Cross multiply
    3,811.10x = 5,257.64 × 2,238.48
  4. Step 4: Simplify right side
    3,811.10x = 11,769,127.58
  5. Step 5: Solve for x
    x = 11,769,127.58/3,811.10
  6. Step 6: Final answer
    x = 3,088.12

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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.