Home / 2,338.10-3,502.11-1,103.66

Finding the Fourth Proportional to 2,338.10, 3,502.11 and 1,103.66

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Solution

The fourth proportional to 2,338.10, 3,502.11 and 1,103.66 is: 1,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.10 : 3,502.11 = 1,103.66 : x
  2. Step 2: Convert to fraction form
    2,338.10/3,502.11 = 1,103.66/x
  3. Step 3: Cross multiply
    2,338.10x = 3,502.11 × 1,103.66
  4. Step 4: Simplify right side
    2,338.10x = 3,865,121.21
  5. Step 5: Solve for x
    x = 3,865,121.21/2,338.10
  6. Step 6: Final answer
    x = 1,653.11

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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.