Home / 2,018.22-3,027.46-1,870.66

Finding the Fourth Proportional to 2,018.22, 3,027.46 and 1,870.66

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Solution

The fourth proportional to 2,018.22, 3,027.46 and 1,870.66 is: 2,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.22 : 3,027.46 = 1,870.66 : x
  2. Step 2: Convert to fraction form
    2,018.22/3,027.46 = 1,870.66/x
  3. Step 3: Cross multiply
    2,018.22x = 3,027.46 × 1,870.66
  4. Step 4: Simplify right side
    2,018.22x = 5,663,348.32
  5. Step 5: Solve for x
    x = 5,663,348.32/2,018.22
  6. Step 6: Final answer
    x = 2,806.11

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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.