Home / 2,376.37-3,279.26-1,381.49

Finding the Fourth Proportional to 2,376.37, 3,279.26 and 1,381.49

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Solution

The fourth proportional to 2,376.37, 3,279.26 and 1,381.49 is: 1,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.37 : 3,279.26 = 1,381.49 : x
  2. Step 2: Convert to fraction form
    2,376.37/3,279.26 = 1,381.49/x
  3. Step 3: Cross multiply
    2,376.37x = 3,279.26 × 1,381.49
  4. Step 4: Simplify right side
    2,376.37x = 4,530,251.95
  5. Step 5: Solve for x
    x = 4,530,251.95/2,376.37
  6. Step 6: Final answer
    x = 1,906.38

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Double scale
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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.