Home / 3,318.64-4,976.34-1,932.46

Finding the Fourth Proportional to 3,318.64, 4,976.34 and 1,932.46

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Solution

The fourth proportional to 3,318.64, 4,976.34 and 1,932.46 is: 2,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.64 : 4,976.34 = 1,932.46 : x
  2. Step 2: Convert to fraction form
    3,318.64/4,976.34 = 1,932.46/x
  3. Step 3: Cross multiply
    3,318.64x = 4,976.34 × 1,932.46
  4. Step 4: Simplify right side
    3,318.64x = 9,616,558.31
  5. Step 5: Solve for x
    x = 9,616,558.31/3,318.64
  6. Step 6: Final answer
    x = 2,897.74

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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.