Home / 2,806.50-4,211.07-1,074.66

Finding the Fourth Proportional to 2,806.50, 4,211.07 and 1,074.66

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Solution

The fourth proportional to 2,806.50, 4,211.07 and 1,074.66 is: 1,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.50 : 4,211.07 = 1,074.66 : x
  2. Step 2: Convert to fraction form
    2,806.50/4,211.07 = 1,074.66/x
  3. Step 3: Cross multiply
    2,806.50x = 4,211.07 × 1,074.66
  4. Step 4: Simplify right side
    2,806.50x = 4,525,468.49
  5. Step 5: Solve for x
    x = 4,525,468.49/2,806.50
  6. Step 6: Final answer
    x = 1,612.50

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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.