Home / 3,925.50-5,412.39-3,083.58

Finding the Fourth Proportional to 3,925.50, 5,412.39 and 3,083.58

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Solution

The fourth proportional to 3,925.50, 5,412.39 and 3,083.58 is: 4,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.50 : 5,412.39 = 3,083.58 : x
  2. Step 2: Convert to fraction form
    3,925.50/5,412.39 = 3,083.58/x
  3. Step 3: Cross multiply
    3,925.50x = 5,412.39 × 3,083.58
  4. Step 4: Simplify right side
    3,925.50x = 16,689,537.56
  5. Step 5: Solve for x
    x = 16,689,537.56/3,925.50
  6. Step 6: Final answer
    x = 4,251.57

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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.