Home / 1,772.03-2,447.43-1,181.54

Finding the Fourth Proportional to 1,772.03, 2,447.43 and 1,181.54

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Solution

The fourth proportional to 1,772.03, 2,447.43 and 1,181.54 is: 1,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.03 : 2,447.43 = 1,181.54 : x
  2. Step 2: Convert to fraction form
    1,772.03/2,447.43 = 1,181.54/x
  3. Step 3: Cross multiply
    1,772.03x = 2,447.43 × 1,181.54
  4. Step 4: Simplify right side
    1,772.03x = 2,891,724.21
  5. Step 5: Solve for x
    x = 2,891,724.21/1,772.03
  6. Step 6: Final answer
    x = 1,631.88

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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.