Home / 3,427.92-5,137.11-1,925.61

Finding the Fourth Proportional to 3,427.92, 5,137.11 and 1,925.61

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Solution

The fourth proportional to 3,427.92, 5,137.11 and 1,925.61 is: 2,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.92 : 5,137.11 = 1,925.61 : x
  2. Step 2: Convert to fraction form
    3,427.92/5,137.11 = 1,925.61/x
  3. Step 3: Cross multiply
    3,427.92x = 5,137.11 × 1,925.61
  4. Step 4: Simplify right side
    3,427.92x = 9,892,035.07
  5. Step 5: Solve for x
    x = 9,892,035.07/3,427.92
  6. Step 6: Final answer
    x = 2,885.73

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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.