Home / 3,529.67-5,295.79-1,338.40

Finding the Fourth Proportional to 3,529.67, 5,295.79 and 1,338.40

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Solution

The fourth proportional to 3,529.67, 5,295.79 and 1,338.40 is: 2,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.67 : 5,295.79 = 1,338.40 : x
  2. Step 2: Convert to fraction form
    3,529.67/5,295.79 = 1,338.40/x
  3. Step 3: Cross multiply
    3,529.67x = 5,295.79 × 1,338.40
  4. Step 4: Simplify right side
    3,529.67x = 7,087,872.15
  5. Step 5: Solve for x
    x = 7,087,872.15/3,529.67
  6. Step 6: Final answer
    x = 2,008.08

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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.