Home / 2,811.09-4,214.26-1,883.81

Finding the Fourth Proportional to 2,811.09, 4,214.26 and 1,883.81

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Solution

The fourth proportional to 2,811.09, 4,214.26 and 1,883.81 is: 2,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.09 : 4,214.26 = 1,883.81 : x
  2. Step 2: Convert to fraction form
    2,811.09/4,214.26 = 1,883.81/x
  3. Step 3: Cross multiply
    2,811.09x = 4,214.26 × 1,883.81
  4. Step 4: Simplify right side
    2,811.09x = 7,938,878.02
  5. Step 5: Solve for x
    x = 7,938,878.02/2,811.09
  6. Step 6: Final answer
    x = 2,824.12

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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.