Home / 3,511.92-5,258.70-3,408.02

Finding the Fourth Proportional to 3,511.92, 5,258.70 and 3,408.02

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Solution

The fourth proportional to 3,511.92, 5,258.70 and 3,408.02 is: 5,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.92 : 5,258.70 = 3,408.02 : x
  2. Step 2: Convert to fraction form
    3,511.92/5,258.70 = 3,408.02/x
  3. Step 3: Cross multiply
    3,511.92x = 5,258.70 × 3,408.02
  4. Step 4: Simplify right side
    3,511.92x = 17,921,754.77
  5. Step 5: Solve for x
    x = 17,921,754.77/3,511.92
  6. Step 6: Final answer
    x = 5,103.12

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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.