Home / 3,086.21-4,630.79-1,442.52

Finding the Fourth Proportional to 3,086.21, 4,630.79 and 1,442.52

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Solution

The fourth proportional to 3,086.21, 4,630.79 and 1,442.52 is: 2,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.21 : 4,630.79 = 1,442.52 : x
  2. Step 2: Convert to fraction form
    3,086.21/4,630.79 = 1,442.52/x
  3. Step 3: Cross multiply
    3,086.21x = 4,630.79 × 1,442.52
  4. Step 4: Simplify right side
    3,086.21x = 6,680,010.80
  5. Step 5: Solve for x
    x = 6,680,010.80/3,086.21
  6. Step 6: Final answer
    x = 2,164.47

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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.