Home / 3,758.10-5,636.49-1,418.31

Finding the Fourth Proportional to 3,758.10, 5,636.49 and 1,418.31

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Solution

The fourth proportional to 3,758.10, 5,636.49 and 1,418.31 is: 2,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.10 : 5,636.49 = 1,418.31 : x
  2. Step 2: Convert to fraction form
    3,758.10/5,636.49 = 1,418.31/x
  3. Step 3: Cross multiply
    3,758.10x = 5,636.49 × 1,418.31
  4. Step 4: Simplify right side
    3,758.10x = 7,994,290.13
  5. Step 5: Solve for x
    x = 7,994,290.13/3,758.10
  6. Step 6: Final answer
    x = 2,127.22

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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.