Home / 2,806.59-4,215.96-1,711.61

Finding the Fourth Proportional to 2,806.59, 4,215.96 and 1,711.61

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Solution

The fourth proportional to 2,806.59, 4,215.96 and 1,711.61 is: 2,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.59 : 4,215.96 = 1,711.61 : x
  2. Step 2: Convert to fraction form
    2,806.59/4,215.96 = 1,711.61/x
  3. Step 3: Cross multiply
    2,806.59x = 4,215.96 × 1,711.61
  4. Step 4: Simplify right side
    2,806.59x = 7,216,058.22
  5. Step 5: Solve for x
    x = 7,216,058.22/2,806.59
  6. Step 6: Final answer
    x = 2,571.11

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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.