Home / 3,261.13-4,499.13-2,142.68

Finding the Fourth Proportional to 3,261.13, 4,499.13 and 2,142.68

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Solution

The fourth proportional to 3,261.13, 4,499.13 and 2,142.68 is: 2,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.13 : 4,499.13 = 2,142.68 : x
  2. Step 2: Convert to fraction form
    3,261.13/4,499.13 = 2,142.68/x
  3. Step 3: Cross multiply
    3,261.13x = 4,499.13 × 2,142.68
  4. Step 4: Simplify right side
    3,261.13x = 9,640,195.87
  5. Step 5: Solve for x
    x = 9,640,195.87/3,261.13
  6. Step 6: Final answer
    x = 2,956.09

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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.