Home / 2,018.20-3,027.30-924.70

Finding the Fourth Proportional to 2,018.20, 3,027.30 and 924.70

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Solution

The fourth proportional to 2,018.20, 3,027.30 and 924.70 is: 1,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.20 : 3,027.30 = 924.70 : x
  2. Step 2: Convert to fraction form
    2,018.20/3,027.30 = 924.70/x
  3. Step 3: Cross multiply
    2,018.20x = 3,027.30 × 924.70
  4. Step 4: Simplify right side
    2,018.20x = 2,799,344.31
  5. Step 5: Solve for x
    x = 2,799,344.31/2,018.20
  6. Step 6: Final answer
    x = 1,387.05

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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.