Home / 4,121.88-6,181.20-1,656.04

Finding the Fourth Proportional to 4,121.88, 6,181.20 and 1,656.04

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Solution

The fourth proportional to 4,121.88, 6,181.20 and 1,656.04 is: 2,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.88 : 6,181.20 = 1,656.04 : x
  2. Step 2: Convert to fraction form
    4,121.88/6,181.20 = 1,656.04/x
  3. Step 3: Cross multiply
    4,121.88x = 6,181.20 × 1,656.04
  4. Step 4: Simplify right side
    4,121.88x = 10,236,314.45
  5. Step 5: Solve for x
    x = 10,236,314.45/4,121.88
  6. Step 6: Final answer
    x = 2,483.41

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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.