Home / 3,390.64-4,677.96-2,063.92

Finding the Fourth Proportional to 3,390.64, 4,677.96 and 2,063.92

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Solution

The fourth proportional to 3,390.64, 4,677.96 and 2,063.92 is: 2,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.64 : 4,677.96 = 2,063.92 : x
  2. Step 2: Convert to fraction form
    3,390.64/4,677.96 = 2,063.92/x
  3. Step 3: Cross multiply
    3,390.64x = 4,677.96 × 2,063.92
  4. Step 4: Simplify right side
    3,390.64x = 9,654,935.20
  5. Step 5: Solve for x
    x = 9,654,935.20/3,390.64
  6. Step 6: Final answer
    x = 2,847.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.