Home / 2,680.27-4,019.72-1,802.27

Finding the Fourth Proportional to 2,680.27, 4,019.72 and 1,802.27

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Solution

The fourth proportional to 2,680.27, 4,019.72 and 1,802.27 is: 2,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.27 : 4,019.72 = 1,802.27 : x
  2. Step 2: Convert to fraction form
    2,680.27/4,019.72 = 1,802.27/x
  3. Step 3: Cross multiply
    2,680.27x = 4,019.72 × 1,802.27
  4. Step 4: Simplify right side
    2,680.27x = 7,244,621.80
  5. Step 5: Solve for x
    x = 7,244,621.80/2,680.27
  6. Step 6: Final answer
    x = 2,702.95

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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.