Home / 2,765.95-4,149.83-1,304.91

Finding the Fourth Proportional to 2,765.95, 4,149.83 and 1,304.91

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Solution

The fourth proportional to 2,765.95, 4,149.83 and 1,304.91 is: 1,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.95 : 4,149.83 = 1,304.91 : x
  2. Step 2: Convert to fraction form
    2,765.95/4,149.83 = 1,304.91/x
  3. Step 3: Cross multiply
    2,765.95x = 4,149.83 × 1,304.91
  4. Step 4: Simplify right side
    2,765.95x = 5,415,157.93
  5. Step 5: Solve for x
    x = 5,415,157.93/2,765.95
  6. Step 6: Final answer
    x = 1,957.79

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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.