Home / 3,910.17-5,394.69-2,230.37

Finding the Fourth Proportional to 3,910.17, 5,394.69 and 2,230.37

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Solution

The fourth proportional to 3,910.17, 5,394.69 and 2,230.37 is: 3,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.17 : 5,394.69 = 2,230.37 : x
  2. Step 2: Convert to fraction form
    3,910.17/5,394.69 = 2,230.37/x
  3. Step 3: Cross multiply
    3,910.17x = 5,394.69 × 2,230.37
  4. Step 4: Simplify right side
    3,910.17x = 12,032,127.76
  5. Step 5: Solve for x
    x = 12,032,127.76/3,910.17
  6. Step 6: Final answer
    x = 3,077.14

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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.