Home / 3,758.49-5,181.21-2,636.04

Finding the Fourth Proportional to 3,758.49, 5,181.21 and 2,636.04

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Solution

The fourth proportional to 3,758.49, 5,181.21 and 2,636.04 is: 3,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.49 : 5,181.21 = 2,636.04 : x
  2. Step 2: Convert to fraction form
    3,758.49/5,181.21 = 2,636.04/x
  3. Step 3: Cross multiply
    3,758.49x = 5,181.21 × 2,636.04
  4. Step 4: Simplify right side
    3,758.49x = 13,657,876.81
  5. Step 5: Solve for x
    x = 13,657,876.81/3,758.49
  6. Step 6: Final answer
    x = 3,633.87

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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.