Home / 3,046.28-4,203.96-1,720.04

Finding the Fourth Proportional to 3,046.28, 4,203.96 and 1,720.04

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Solution

The fourth proportional to 3,046.28, 4,203.96 and 1,720.04 is: 2,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.28 : 4,203.96 = 1,720.04 : x
  2. Step 2: Convert to fraction form
    3,046.28/4,203.96 = 1,720.04/x
  3. Step 3: Cross multiply
    3,046.28x = 4,203.96 × 1,720.04
  4. Step 4: Simplify right side
    3,046.28x = 7,230,979.36
  5. Step 5: Solve for x
    x = 7,230,979.36/3,046.28
  6. Step 6: Final answer
    x = 2,373.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.