Home / 2,758.20-3,803.71-1,761.75

Finding the Fourth Proportional to 2,758.20, 3,803.71 and 1,761.75

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Solution

The fourth proportional to 2,758.20, 3,803.71 and 1,761.75 is: 2,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.20 : 3,803.71 = 1,761.75 : x
  2. Step 2: Convert to fraction form
    2,758.20/3,803.71 = 1,761.75/x
  3. Step 3: Cross multiply
    2,758.20x = 3,803.71 × 1,761.75
  4. Step 4: Simplify right side
    2,758.20x = 6,701,184.99
  5. Step 5: Solve for x
    x = 6,701,184.99/2,758.20
  6. Step 6: Final answer
    x = 2,429.55

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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.