Home / 3,530.10-5,292.09-1,338.63

Finding the Fourth Proportional to 3,530.10, 5,292.09 and 1,338.63

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Solution

The fourth proportional to 3,530.10, 5,292.09 and 1,338.63 is: 2,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.10 : 5,292.09 = 1,338.63 : x
  2. Step 2: Convert to fraction form
    3,530.10/5,292.09 = 1,338.63/x
  3. Step 3: Cross multiply
    3,530.10x = 5,292.09 × 1,338.63
  4. Step 4: Simplify right side
    3,530.10x = 7,084,150.44
  5. Step 5: Solve for x
    x = 7,084,150.44/3,530.10
  6. Step 6: Final answer
    x = 2,006.78

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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.