Home / 3,910.84-5,398.06-2,254.52

Finding the Fourth Proportional to 3,910.84, 5,398.06 and 2,254.52

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Solution

The fourth proportional to 3,910.84, 5,398.06 and 2,254.52 is: 3,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.84 : 5,398.06 = 2,254.52 : x
  2. Step 2: Convert to fraction form
    3,910.84/5,398.06 = 2,254.52/x
  3. Step 3: Cross multiply
    3,910.84x = 5,398.06 × 2,254.52
  4. Step 4: Simplify right side
    3,910.84x = 12,170,034.23
  5. Step 5: Solve for x
    x = 12,170,034.23/3,910.84
  6. Step 6: Final answer
    x = 3,111.87

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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.