Home / 2,811.08-4,214.34-2,503.53

Finding the Fourth Proportional to 2,811.08, 4,214.34 and 2,503.53

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Solution

The fourth proportional to 2,811.08, 4,214.34 and 2,503.53 is: 3,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.08 : 4,214.34 = 2,503.53 : x
  2. Step 2: Convert to fraction form
    2,811.08/4,214.34 = 2,503.53/x
  3. Step 3: Cross multiply
    2,811.08x = 4,214.34 × 2,503.53
  4. Step 4: Simplify right side
    2,811.08x = 10,550,726.62
  5. Step 5: Solve for x
    x = 10,550,726.62/2,811.08
  6. Step 6: Final answer
    x = 3,753.26

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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.