Home / 2,811.06-4,210.95-2,581.41

Finding the Fourth Proportional to 2,811.06, 4,210.95 and 2,581.41

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Solution

The fourth proportional to 2,811.06, 4,210.95 and 2,581.41 is: 3,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.06 : 4,210.95 = 2,581.41 : x
  2. Step 2: Convert to fraction form
    2,811.06/4,210.95 = 2,581.41/x
  3. Step 3: Cross multiply
    2,811.06x = 4,210.95 × 2,581.41
  4. Step 4: Simplify right side
    2,811.06x = 10,870,188.44
  5. Step 5: Solve for x
    x = 10,870,188.44/2,811.06
  6. Step 6: Final answer
    x = 3,866.94

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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.