Home / 3,781.36-5,643.44-3,467.60

Finding the Fourth Proportional to 3,781.36, 5,643.44 and 3,467.60

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Solution

The fourth proportional to 3,781.36, 5,643.44 and 3,467.60 is: 5,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.36 : 5,643.44 = 3,467.60 : x
  2. Step 2: Convert to fraction form
    3,781.36/5,643.44 = 3,467.60/x
  3. Step 3: Cross multiply
    3,781.36x = 5,643.44 × 3,467.60
  4. Step 4: Simplify right side
    3,781.36x = 19,569,192.54
  5. Step 5: Solve for x
    x = 19,569,192.54/3,781.36
  6. Step 6: Final answer
    x = 5,175.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.