Home / 3,281.76-4,530.39-1,936.88

Finding the Fourth Proportional to 3,281.76, 4,530.39 and 1,936.88

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Solution

The fourth proportional to 3,281.76, 4,530.39 and 1,936.88 is: 2,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.76 : 4,530.39 = 1,936.88 : x
  2. Step 2: Convert to fraction form
    3,281.76/4,530.39 = 1,936.88/x
  3. Step 3: Cross multiply
    3,281.76x = 4,530.39 × 1,936.88
  4. Step 4: Simplify right side
    3,281.76x = 8,774,821.78
  5. Step 5: Solve for x
    x = 8,774,821.78/3,281.76
  6. Step 6: Final answer
    x = 2,673.82

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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.