Home / 3,910.25-5,396.15-2,254.25

Finding the Fourth Proportional to 3,910.25, 5,396.15 and 2,254.25

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Solution

The fourth proportional to 3,910.25, 5,396.15 and 2,254.25 is: 3,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.25 : 5,396.15 = 2,254.25 : x
  2. Step 2: Convert to fraction form
    3,910.25/5,396.15 = 2,254.25/x
  3. Step 3: Cross multiply
    3,910.25x = 5,396.15 × 2,254.25
  4. Step 4: Simplify right side
    3,910.25x = 12,164,271.14
  5. Step 5: Solve for x
    x = 12,164,271.14/3,910.25
  6. Step 6: Final answer
    x = 3,110.87

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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.