Home / 2,018.93-3,027.98-720.29

Finding the Fourth Proportional to 2,018.93, 3,027.98 and 720.29

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Solution

The fourth proportional to 2,018.93, 3,027.98 and 720.29 is: 1,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.93 : 3,027.98 = 720.29 : x
  2. Step 2: Convert to fraction form
    2,018.93/3,027.98 = 720.29/x
  3. Step 3: Cross multiply
    2,018.93x = 3,027.98 × 720.29
  4. Step 4: Simplify right side
    2,018.93x = 2,181,033.08
  5. Step 5: Solve for x
    x = 2,181,033.08/2,018.93
  6. Step 6: Final answer
    x = 1,080.29

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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.