Home / 2,680.02-4,020.84-1,584.90

Finding the Fourth Proportional to 2,680.02, 4,020.84 and 1,584.90

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Solution

The fourth proportional to 2,680.02, 4,020.84 and 1,584.90 is: 2,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.02 : 4,020.84 = 1,584.90 : x
  2. Step 2: Convert to fraction form
    2,680.02/4,020.84 = 1,584.90/x
  3. Step 3: Cross multiply
    2,680.02x = 4,020.84 × 1,584.90
  4. Step 4: Simplify right side
    2,680.02x = 6,372,629.32
  5. Step 5: Solve for x
    x = 6,372,629.32/2,680.02
  6. Step 6: Final answer
    x = 2,377.83

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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.