Home / 3,925.73-5,415.68-2,508.69

Finding the Fourth Proportional to 3,925.73, 5,415.68 and 2,508.69

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Solution

The fourth proportional to 3,925.73, 5,415.68 and 2,508.69 is: 3,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.73 : 5,415.68 = 2,508.69 : x
  2. Step 2: Convert to fraction form
    3,925.73/5,415.68 = 2,508.69/x
  3. Step 3: Cross multiply
    3,925.73x = 5,415.68 × 2,508.69
  4. Step 4: Simplify right side
    3,925.73x = 13,586,249.72
  5. Step 5: Solve for x
    x = 13,586,249.72/3,925.73
  6. Step 6: Final answer
    x = 3,460.83

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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.