Home / 3,086.32-4,619.76-2,114.32

Finding the Fourth Proportional to 3,086.32, 4,619.76 and 2,114.32

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Solution

The fourth proportional to 3,086.32, 4,619.76 and 2,114.32 is: 3,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.32 : 4,619.76 = 2,114.32 : x
  2. Step 2: Convert to fraction form
    3,086.32/4,619.76 = 2,114.32/x
  3. Step 3: Cross multiply
    3,086.32x = 4,619.76 × 2,114.32
  4. Step 4: Simplify right side
    3,086.32x = 9,767,650.96
  5. Step 5: Solve for x
    x = 9,767,650.96/3,086.32
  6. Step 6: Final answer
    x = 3,164.82

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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.