Home / 3,467.25-5,200.88-1,388.19

Finding the Fourth Proportional to 3,467.25, 5,200.88 and 1,388.19

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Solution

The fourth proportional to 3,467.25, 5,200.88 and 1,388.19 is: 2,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.25 : 5,200.88 = 1,388.19 : x
  2. Step 2: Convert to fraction form
    3,467.25/5,200.88 = 1,388.19/x
  3. Step 3: Cross multiply
    3,467.25x = 5,200.88 × 1,388.19
  4. Step 4: Simplify right side
    3,467.25x = 7,219,802.67
  5. Step 5: Solve for x
    x = 7,219,802.67/3,467.25
  6. Step 6: Final answer
    x = 2,082.29

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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.