Home / 2,982.80-4,470.60-1,522.28

Finding the Fourth Proportional to 2,982.80, 4,470.60 and 1,522.28

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Solution

The fourth proportional to 2,982.80, 4,470.60 and 1,522.28 is: 2,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.80 : 4,470.60 = 1,522.28 : x
  2. Step 2: Convert to fraction form
    2,982.80/4,470.60 = 1,522.28/x
  3. Step 3: Cross multiply
    2,982.80x = 4,470.60 × 1,522.28
  4. Step 4: Simplify right side
    2,982.80x = 6,805,504.97
  5. Step 5: Solve for x
    x = 6,805,504.97/2,982.80
  6. Step 6: Final answer
    x = 2,281.58

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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.