Home / 1,338.10-2,005.04-1,063.48

Finding the Fourth Proportional to 1,338.10, 2,005.04 and 1,063.48

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Solution

The fourth proportional to 1,338.10, 2,005.04 and 1,063.48 is: 1,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.10 : 2,005.04 = 1,063.48 : x
  2. Step 2: Convert to fraction form
    1,338.10/2,005.04 = 1,063.48/x
  3. Step 3: Cross multiply
    1,338.10x = 2,005.04 × 1,063.48
  4. Step 4: Simplify right side
    1,338.10x = 2,132,319.94
  5. Step 5: Solve for x
    x = 2,132,319.94/1,338.10
  6. Step 6: Final answer
    x = 1,593.54

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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.