Home / 3,638.49-5,018.45-2,377.14

Finding the Fourth Proportional to 3,638.49, 5,018.45 and 2,377.14

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Solution

The fourth proportional to 3,638.49, 5,018.45 and 2,377.14 is: 3,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.49 : 5,018.45 = 2,377.14 : x
  2. Step 2: Convert to fraction form
    3,638.49/5,018.45 = 2,377.14/x
  3. Step 3: Cross multiply
    3,638.49x = 5,018.45 × 2,377.14
  4. Step 4: Simplify right side
    3,638.49x = 11,929,546.35
  5. Step 5: Solve for x
    x = 11,929,546.35/3,638.49
  6. Step 6: Final answer
    x = 3,278.71

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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.