Home / 3,431.45-5,146.97-1,675.77

Finding the Fourth Proportional to 3,431.45, 5,146.97 and 1,675.77

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Solution

The fourth proportional to 3,431.45, 5,146.97 and 1,675.77 is: 2,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.45 : 5,146.97 = 1,675.77 : x
  2. Step 2: Convert to fraction form
    3,431.45/5,146.97 = 1,675.77/x
  3. Step 3: Cross multiply
    3,431.45x = 5,146.97 × 1,675.77
  4. Step 4: Simplify right side
    3,431.45x = 8,625,129.54
  5. Step 5: Solve for x
    x = 8,625,129.54/3,431.45
  6. Step 6: Final answer
    x = 2,513.56

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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.