Home / 2,018.27-3,027.30-557.37

Finding the Fourth Proportional to 2,018.27, 3,027.30 and 557.37

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Solution

The fourth proportional to 2,018.27, 3,027.30 and 557.37 is: 836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.27 : 3,027.30 = 557.37 : x
  2. Step 2: Convert to fraction form
    2,018.27/3,027.30 = 557.37/x
  3. Step 3: Cross multiply
    2,018.27x = 3,027.30 × 557.37
  4. Step 4: Simplify right side
    2,018.27x = 1,687,326.20
  5. Step 5: Solve for x
    x = 1,687,326.20/2,018.27
  6. Step 6: Final answer
    x = 836.03

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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.