Home / 3,149.23-4,720.41-1,274.35

Finding the Fourth Proportional to 3,149.23, 4,720.41 and 1,274.35

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Solution

The fourth proportional to 3,149.23, 4,720.41 and 1,274.35 is: 1,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.23 : 4,720.41 = 1,274.35 : x
  2. Step 2: Convert to fraction form
    3,149.23/4,720.41 = 1,274.35/x
  3. Step 3: Cross multiply
    3,149.23x = 4,720.41 × 1,274.35
  4. Step 4: Simplify right side
    3,149.23x = 6,015,454.48
  5. Step 5: Solve for x
    x = 6,015,454.48/3,149.23
  6. Step 6: Final answer
    x = 1,910.14

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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.