Home / 2,734.74-3,770.28-1,788.66

Finding the Fourth Proportional to 2,734.74, 3,770.28 and 1,788.66

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Solution

The fourth proportional to 2,734.74, 3,770.28 and 1,788.66 is: 2,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.74 : 3,770.28 = 1,788.66 : x
  2. Step 2: Convert to fraction form
    2,734.74/3,770.28 = 1,788.66/x
  3. Step 3: Cross multiply
    2,734.74x = 3,770.28 × 1,788.66
  4. Step 4: Simplify right side
    2,734.74x = 6,743,749.02
  5. Step 5: Solve for x
    x = 6,743,749.02/2,734.74
  6. Step 6: Final answer
    x = 2,465.96

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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.