Home / 3,145.96-4,720.38-2,892.52

Finding the Fourth Proportional to 3,145.96, 4,720.38 and 2,892.52

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Solution

The fourth proportional to 3,145.96, 4,720.38 and 2,892.52 is: 4,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.96 : 4,720.38 = 2,892.52 : x
  2. Step 2: Convert to fraction form
    3,145.96/4,720.38 = 2,892.52/x
  3. Step 3: Cross multiply
    3,145.96x = 4,720.38 × 2,892.52
  4. Step 4: Simplify right side
    3,145.96x = 13,653,793.56
  5. Step 5: Solve for x
    x = 13,653,793.56/3,145.96
  6. Step 6: Final answer
    x = 4,340.10

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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.