Home / 3,298.70-4,553.60-3,209.85

Finding the Fourth Proportional to 3,298.70, 4,553.60 and 3,209.85

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Solution

The fourth proportional to 3,298.70, 4,553.60 and 3,209.85 is: 4,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.70 : 4,553.60 = 3,209.85 : x
  2. Step 2: Convert to fraction form
    3,298.70/4,553.60 = 3,209.85/x
  3. Step 3: Cross multiply
    3,298.70x = 4,553.60 × 3,209.85
  4. Step 4: Simplify right side
    3,298.70x = 14,616,372.96
  5. Step 5: Solve for x
    x = 14,616,372.96/3,298.70
  6. Step 6: Final answer
    x = 4,430.95

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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.