Home / 2,214.85-3,322.40-571.41

Finding the Fourth Proportional to 2,214.85, 3,322.40 and 571.41

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Solution

The fourth proportional to 2,214.85, 3,322.40 and 571.41 is: 857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.85 : 3,322.40 = 571.41 : x
  2. Step 2: Convert to fraction form
    2,214.85/3,322.40 = 571.41/x
  3. Step 3: Cross multiply
    2,214.85x = 3,322.40 × 571.41
  4. Step 4: Simplify right side
    2,214.85x = 1,898,452.58
  5. Step 5: Solve for x
    x = 1,898,452.58/2,214.85
  6. Step 6: Final answer
    x = 857.15

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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.