Home / 3,145.92-4,340.16-2,202.24

Finding the Fourth Proportional to 3,145.92, 4,340.16 and 2,202.24

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Solution

The fourth proportional to 3,145.92, 4,340.16 and 2,202.24 is: 3,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.92 : 4,340.16 = 2,202.24 : x
  2. Step 2: Convert to fraction form
    3,145.92/4,340.16 = 2,202.24/x
  3. Step 3: Cross multiply
    3,145.92x = 4,340.16 × 2,202.24
  4. Step 4: Simplify right side
    3,145.92x = 9,558,073.96
  5. Step 5: Solve for x
    x = 9,558,073.96/3,145.92
  6. Step 6: Final answer
    x = 3,038.24

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1.5x scale

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.