Home / 3,020.25-4,509.72-2,705.88

Finding the Fourth Proportional to 3,020.25, 4,509.72 and 2,705.88

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Solution

The fourth proportional to 3,020.25, 4,509.72 and 2,705.88 is: 4,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.25 : 4,509.72 = 2,705.88 : x
  2. Step 2: Convert to fraction form
    3,020.25/4,509.72 = 2,705.88/x
  3. Step 3: Cross multiply
    3,020.25x = 4,509.72 × 2,705.88
  4. Step 4: Simplify right side
    3,020.25x = 12,202,761.15
  5. Step 5: Solve for x
    x = 12,202,761.15/3,020.25
  6. Step 6: Final answer
    x = 4,040.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.