Home / 2,376.06-3,279.16-1,381.66

Finding the Fourth Proportional to 2,376.06, 3,279.16 and 1,381.66

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Solution

The fourth proportional to 2,376.06, 3,279.16 and 1,381.66 is: 1,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.06 : 3,279.16 = 1,381.66 : x
  2. Step 2: Convert to fraction form
    2,376.06/3,279.16 = 1,381.66/x
  3. Step 3: Cross multiply
    2,376.06x = 3,279.16 × 1,381.66
  4. Step 4: Simplify right side
    2,376.06x = 4,530,684.21
  5. Step 5: Solve for x
    x = 4,530,684.21/2,376.06
  6. Step 6: Final answer
    x = 1,906.81

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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.