Home / 2,770.66-4,139.76-2,673.76

Finding the Fourth Proportional to 2,770.66, 4,139.76 and 2,673.76

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Solution

The fourth proportional to 2,770.66, 4,139.76 and 2,673.76 is: 3,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.66 : 4,139.76 = 2,673.76 : x
  2. Step 2: Convert to fraction form
    2,770.66/4,139.76 = 2,673.76/x
  3. Step 3: Cross multiply
    2,770.66x = 4,139.76 × 2,673.76
  4. Step 4: Simplify right side
    2,770.66x = 11,068,724.70
  5. Step 5: Solve for x
    x = 11,068,724.70/2,770.66
  6. Step 6: Final answer
    x = 3,994.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.