Home / 3,529.91-5,296.89-1,338.05

Finding the Fourth Proportional to 3,529.91, 5,296.89 and 1,338.05

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Solution

The fourth proportional to 3,529.91, 5,296.89 and 1,338.05 is: 2,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.91 : 5,296.89 = 1,338.05 : x
  2. Step 2: Convert to fraction form
    3,529.91/5,296.89 = 1,338.05/x
  3. Step 3: Cross multiply
    3,529.91x = 5,296.89 × 1,338.05
  4. Step 4: Simplify right side
    3,529.91x = 7,087,503.66
  5. Step 5: Solve for x
    x = 7,087,503.66/3,529.91
  6. Step 6: Final answer
    x = 2,007.84

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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.