Home / 3,104.16-4,656.44-1,372.80

Finding the Fourth Proportional to 3,104.16, 4,656.44 and 1,372.80

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Solution

The fourth proportional to 3,104.16, 4,656.44 and 1,372.80 is: 2,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.16 : 4,656.44 = 1,372.80 : x
  2. Step 2: Convert to fraction form
    3,104.16/4,656.44 = 1,372.80/x
  3. Step 3: Cross multiply
    3,104.16x = 4,656.44 × 1,372.80
  4. Step 4: Simplify right side
    3,104.16x = 6,392,360.83
  5. Step 5: Solve for x
    x = 6,392,360.83/3,104.16
  6. Step 6: Final answer
    x = 2,059.29

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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.