Home / 1,027.68-1,541.11-378.26

Finding the Fourth Proportional to 1,027.68, 1,541.11 and 378.26

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Solution

The fourth proportional to 1,027.68, 1,541.11 and 378.26 is: 567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.68 : 1,541.11 = 378.26 : x
  2. Step 2: Convert to fraction form
    1,027.68/1,541.11 = 378.26/x
  3. Step 3: Cross multiply
    1,027.68x = 1,541.11 × 378.26
  4. Step 4: Simplify right side
    1,027.68x = 582,940.27
  5. Step 5: Solve for x
    x = 582,940.27/1,027.68
  6. Step 6: Final answer
    x = 567.24

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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.