Home / 3,467.62-5,203.93-1,388.20

Finding the Fourth Proportional to 3,467.62, 5,203.93 and 1,388.20

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Solution

The fourth proportional to 3,467.62, 5,203.93 and 1,388.20 is: 2,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.62 : 5,203.93 = 1,388.20 : x
  2. Step 2: Convert to fraction form
    3,467.62/5,203.93 = 1,388.20/x
  3. Step 3: Cross multiply
    3,467.62x = 5,203.93 × 1,388.20
  4. Step 4: Simplify right side
    3,467.62x = 7,224,095.63
  5. Step 5: Solve for x
    x = 7,224,095.63/3,467.62
  6. Step 6: Final answer
    x = 2,083.30

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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.