Home / 2,018.11-3,027.18-557.23

Finding the Fourth Proportional to 2,018.11, 3,027.18 and 557.23

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Solution

The fourth proportional to 2,018.11, 3,027.18 and 557.23 is: 835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.11 : 3,027.18 = 557.23 : x
  2. Step 2: Convert to fraction form
    2,018.11/3,027.18 = 557.23/x
  3. Step 3: Cross multiply
    2,018.11x = 3,027.18 × 557.23
  4. Step 4: Simplify right side
    2,018.11x = 1,686,835.51
  5. Step 5: Solve for x
    x = 1,686,835.51/2,018.11
  6. Step 6: Final answer
    x = 835.85

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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.