Home / 3,001.92-4,142.01-1,742.82

Finding the Fourth Proportional to 3,001.92, 4,142.01 and 1,742.82

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Solution

The fourth proportional to 3,001.92, 4,142.01 and 1,742.82 is: 2,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.92 : 4,142.01 = 1,742.82 : x
  2. Step 2: Convert to fraction form
    3,001.92/4,142.01 = 1,742.82/x
  3. Step 3: Cross multiply
    3,001.92x = 4,142.01 × 1,742.82
  4. Step 4: Simplify right side
    3,001.92x = 7,218,777.87
  5. Step 5: Solve for x
    x = 7,218,777.87/3,001.92
  6. Step 6: Final answer
    x = 2,404.72

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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.