Home / 3,431.71-5,146.77-2,045.44

Finding the Fourth Proportional to 3,431.71, 5,146.77 and 2,045.44

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Solution

The fourth proportional to 3,431.71, 5,146.77 and 2,045.44 is: 3,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.71 : 5,146.77 = 2,045.44 : x
  2. Step 2: Convert to fraction form
    3,431.71/5,146.77 = 2,045.44/x
  3. Step 3: Cross multiply
    3,431.71x = 5,146.77 × 2,045.44
  4. Step 4: Simplify right side
    3,431.71x = 10,527,383.49
  5. Step 5: Solve for x
    x = 10,527,383.49/3,431.71
  6. Step 6: Final answer
    x = 3,067.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.