Home / 3,553.13-5,329.70-2,788.49

Finding the Fourth Proportional to 3,553.13, 5,329.70 and 2,788.49

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Solution

The fourth proportional to 3,553.13, 5,329.70 and 2,788.49 is: 4,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.13 : 5,329.70 = 2,788.49 : x
  2. Step 2: Convert to fraction form
    3,553.13/5,329.70 = 2,788.49/x
  3. Step 3: Cross multiply
    3,553.13x = 5,329.70 × 2,788.49
  4. Step 4: Simplify right side
    3,553.13x = 14,861,815.15
  5. Step 5: Solve for x
    x = 14,861,815.15/3,553.13
  6. Step 6: Final answer
    x = 4,182.74

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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.