Home / 3,874.64-5,346.95-2,106.27

Finding the Fourth Proportional to 3,874.64, 5,346.95 and 2,106.27

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Solution

The fourth proportional to 3,874.64, 5,346.95 and 2,106.27 is: 2,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.64 : 5,346.95 = 2,106.27 : x
  2. Step 2: Convert to fraction form
    3,874.64/5,346.95 = 2,106.27/x
  3. Step 3: Cross multiply
    3,874.64x = 5,346.95 × 2,106.27
  4. Step 4: Simplify right side
    3,874.64x = 11,262,109.85
  5. Step 5: Solve for x
    x = 11,262,109.85/3,874.64
  6. Step 6: Final answer
    x = 2,906.62

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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.