Home / 2,211.74-3,317.56-568.27

Finding the Fourth Proportional to 2,211.74, 3,317.56 and 568.27

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Solution

The fourth proportional to 2,211.74, 3,317.56 and 568.27 is: 852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.74 : 3,317.56 = 568.27 : x
  2. Step 2: Convert to fraction form
    2,211.74/3,317.56 = 568.27/x
  3. Step 3: Cross multiply
    2,211.74x = 3,317.56 × 568.27
  4. Step 4: Simplify right side
    2,211.74x = 1,885,269.82
  5. Step 5: Solve for x
    x = 1,885,269.82/2,211.74
  6. Step 6: Final answer
    x = 852.39

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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.