Home / 3,767.25-5,649.16-1,918.02

Finding the Fourth Proportional to 3,767.25, 5,649.16 and 1,918.02

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Solution

The fourth proportional to 3,767.25, 5,649.16 and 1,918.02 is: 2,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.25 : 5,649.16 = 1,918.02 : x
  2. Step 2: Convert to fraction form
    3,767.25/5,649.16 = 1,918.02/x
  3. Step 3: Cross multiply
    3,767.25x = 5,649.16 × 1,918.02
  4. Step 4: Simplify right side
    3,767.25x = 10,835,201.86
  5. Step 5: Solve for x
    x = 10,835,201.86/3,767.25
  6. Step 6: Final answer
    x = 2,876.16

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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.