Home / 3,529.87-4,869.25-3,279.58

Finding the Fourth Proportional to 3,529.87, 4,869.25 and 3,279.58

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Solution

The fourth proportional to 3,529.87, 4,869.25 and 3,279.58 is: 4,523.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.87 : 4,869.25 = 3,279.58 : x
  2. Step 2: Convert to fraction form
    3,529.87/4,869.25 = 3,279.58/x
  3. Step 3: Cross multiply
    3,529.87x = 4,869.25 × 3,279.58
  4. Step 4: Simplify right side
    3,529.87x = 15,969,094.92
  5. Step 5: Solve for x
    x = 15,969,094.92/3,529.87
  6. Step 6: Final answer
    x = 4,523.99

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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.