Home / 3,456.59-5,181.30-1,606.20

Finding the Fourth Proportional to 3,456.59, 5,181.30 and 1,606.20

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Solution

The fourth proportional to 3,456.59, 5,181.30 and 1,606.20 is: 2,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.59 : 5,181.30 = 1,606.20 : x
  2. Step 2: Convert to fraction form
    3,456.59/5,181.30 = 1,606.20/x
  3. Step 3: Cross multiply
    3,456.59x = 5,181.30 × 1,606.20
  4. Step 4: Simplify right side
    3,456.59x = 8,322,204.06
  5. Step 5: Solve for x
    x = 8,322,204.06/3,456.59
  6. Step 6: Final answer
    x = 2,407.64

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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.