Home / 2,211.50-3,317.25-568.05

Finding the Fourth Proportional to 2,211.50, 3,317.25 and 568.05

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Solution

The fourth proportional to 2,211.50, 3,317.25 and 568.05 is: 852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.50 : 3,317.25 = 568.05 : x
  2. Step 2: Convert to fraction form
    2,211.50/3,317.25 = 568.05/x
  3. Step 3: Cross multiply
    2,211.50x = 3,317.25 × 568.05
  4. Step 4: Simplify right side
    2,211.50x = 1,884,353.55
  5. Step 5: Solve for x
    x = 1,884,353.55/2,211.50
  6. Step 6: Final answer
    x = 852.07

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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.