Home / 3,160.20-4,742.72-2,064.26

Finding the Fourth Proportional to 3,160.20, 4,742.72 and 2,064.26

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Solution

The fourth proportional to 3,160.20, 4,742.72 and 2,064.26 is: 3,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.20 : 4,742.72 = 2,064.26 : x
  2. Step 2: Convert to fraction form
    3,160.20/4,742.72 = 2,064.26/x
  3. Step 3: Cross multiply
    3,160.20x = 4,742.72 × 2,064.26
  4. Step 4: Simplify right side
    3,160.20x = 9,790,207.19
  5. Step 5: Solve for x
    x = 9,790,207.19/3,160.20
  6. Step 6: Final answer
    x = 3,097.97

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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.