Home / 3,002.92-4,145.28-2,196.64

Finding the Fourth Proportional to 3,002.92, 4,145.28 and 2,196.64

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Solution

The fourth proportional to 3,002.92, 4,145.28 and 2,196.64 is: 3,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.92 : 4,145.28 = 2,196.64 : x
  2. Step 2: Convert to fraction form
    3,002.92/4,145.28 = 2,196.64/x
  3. Step 3: Cross multiply
    3,002.92x = 4,145.28 × 2,196.64
  4. Step 4: Simplify right side
    3,002.92x = 9,105,687.86
  5. Step 5: Solve for x
    x = 9,105,687.86/3,002.92
  6. Step 6: Final answer
    x = 3,032.28

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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.