Home / 3,562.60-5,331.30-3,105.40

Finding the Fourth Proportional to 3,562.60, 5,331.30 and 3,105.40

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Solution

The fourth proportional to 3,562.60, 5,331.30 and 3,105.40 is: 4,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.60 : 5,331.30 = 3,105.40 : x
  2. Step 2: Convert to fraction form
    3,562.60/5,331.30 = 3,105.40/x
  3. Step 3: Cross multiply
    3,562.60x = 5,331.30 × 3,105.40
  4. Step 4: Simplify right side
    3,562.60x = 16,555,819.02
  5. Step 5: Solve for x
    x = 16,555,819.02/3,562.60
  6. Step 6: Final answer
    x = 4,647.12

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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.