Home / 3,529.43-5,294.90-1,338.11

Finding the Fourth Proportional to 3,529.43, 5,294.90 and 1,338.11

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Solution

The fourth proportional to 3,529.43, 5,294.90 and 1,338.11 is: 2,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.43 : 5,294.90 = 1,338.11 : x
  2. Step 2: Convert to fraction form
    3,529.43/5,294.90 = 1,338.11/x
  3. Step 3: Cross multiply
    3,529.43x = 5,294.90 × 1,338.11
  4. Step 4: Simplify right side
    3,529.43x = 7,085,158.64
  5. Step 5: Solve for x
    x = 7,085,158.64/3,529.43
  6. Step 6: Final answer
    x = 2,007.45

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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.