Home / 3,758.00-5,636.08-1,418.21

Finding the Fourth Proportional to 3,758.00, 5,636.08 and 1,418.21

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Solution

The fourth proportional to 3,758.00, 5,636.08 and 1,418.21 is: 2,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.00 : 5,636.08 = 1,418.21 : x
  2. Step 2: Convert to fraction form
    3,758.00/5,636.08 = 1,418.21/x
  3. Step 3: Cross multiply
    3,758.00x = 5,636.08 × 1,418.21
  4. Step 4: Simplify right side
    3,758.00x = 7,993,139.74
  5. Step 5: Solve for x
    x = 7,993,139.74/3,758.00
  6. Step 6: Final answer
    x = 2,126.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.