Home / 1,843.10-2,545.21-1,181.11

Finding the Fourth Proportional to 1,843.10, 2,545.21 and 1,181.11

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Solution

The fourth proportional to 1,843.10, 2,545.21 and 1,181.11 is: 1,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.10 : 2,545.21 = 1,181.11 : x
  2. Step 2: Convert to fraction form
    1,843.10/2,545.21 = 1,181.11/x
  3. Step 3: Cross multiply
    1,843.10x = 2,545.21 × 1,181.11
  4. Step 4: Simplify right side
    1,843.10x = 3,006,164.34
  5. Step 5: Solve for x
    x = 3,006,164.34/1,843.10
  6. Step 6: Final answer
    x = 1,631.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.