Home / 3,493.60-5,232.30-2,181.40

Finding the Fourth Proportional to 3,493.60, 5,232.30 and 2,181.40

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Solution

The fourth proportional to 3,493.60, 5,232.30 and 2,181.40 is: 3,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.60 : 5,232.30 = 2,181.40 : x
  2. Step 2: Convert to fraction form
    3,493.60/5,232.30 = 2,181.40/x
  3. Step 3: Cross multiply
    3,493.60x = 5,232.30 × 2,181.40
  4. Step 4: Simplify right side
    3,493.60x = 11,413,739.22
  5. Step 5: Solve for x
    x = 11,413,739.22/3,493.60
  6. Step 6: Final answer
    x = 3,267.04

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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.