Home / 2,810.07-3,908.88-2,756.61

Finding the Fourth Proportional to 2,810.07, 3,908.88 and 2,756.61

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Solution

The fourth proportional to 2,810.07, 3,908.88 and 2,756.61 is: 3,834.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.07 : 3,908.88 = 2,756.61 : x
  2. Step 2: Convert to fraction form
    2,810.07/3,908.88 = 2,756.61/x
  3. Step 3: Cross multiply
    2,810.07x = 3,908.88 × 2,756.61
  4. Step 4: Simplify right side
    2,810.07x = 10,775,257.70
  5. Step 5: Solve for x
    x = 10,775,257.70/2,810.07
  6. Step 6: Final answer
    x = 3,834.52

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.