Home / 3,086.32-4,619.52-1,623.28

Finding the Fourth Proportional to 3,086.32, 4,619.52 and 1,623.28

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Solution

The fourth proportional to 3,086.32, 4,619.52 and 1,623.28 is: 2,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.32 : 4,619.52 = 1,623.28 : x
  2. Step 2: Convert to fraction form
    3,086.32/4,619.52 = 1,623.28/x
  3. Step 3: Cross multiply
    3,086.32x = 4,619.52 × 1,623.28
  4. Step 4: Simplify right side
    3,086.32x = 7,498,774.43
  5. Step 5: Solve for x
    x = 7,498,774.43/3,086.32
  6. Step 6: Final answer
    x = 2,429.68

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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.