Home / 3,200.64-4,804.38-1,816.68

Finding the Fourth Proportional to 3,200.64, 4,804.38 and 1,816.68

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Solution

The fourth proportional to 3,200.64, 4,804.38 and 1,816.68 is: 2,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.64 : 4,804.38 = 1,816.68 : x
  2. Step 2: Convert to fraction form
    3,200.64/4,804.38 = 1,816.68/x
  3. Step 3: Cross multiply
    3,200.64x = 4,804.38 × 1,816.68
  4. Step 4: Simplify right side
    3,200.64x = 8,728,021.06
  5. Step 5: Solve for x
    x = 8,728,021.06/3,200.64
  6. Step 6: Final answer
    x = 2,726.96

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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.