Home / 3,001.89-4,145.46-2,838.27

Finding the Fourth Proportional to 3,001.89, 4,145.46 and 2,838.27

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Solution

The fourth proportional to 3,001.89, 4,145.46 and 2,838.27 is: 3,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.89 : 4,145.46 = 2,838.27 : x
  2. Step 2: Convert to fraction form
    3,001.89/4,145.46 = 2,838.27/x
  3. Step 3: Cross multiply
    3,001.89x = 4,145.46 × 2,838.27
  4. Step 4: Simplify right side
    3,001.89x = 11,765,934.75
  5. Step 5: Solve for x
    x = 11,765,934.75/3,001.89
  6. Step 6: Final answer
    x = 3,919.51

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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.