Home / 2,211.64-3,317.38-568.20

Finding the Fourth Proportional to 2,211.64, 3,317.38 and 568.20

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Solution

The fourth proportional to 2,211.64, 3,317.38 and 568.20 is: 852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.64 : 3,317.38 = 568.20 : x
  2. Step 2: Convert to fraction form
    2,211.64/3,317.38 = 568.20/x
  3. Step 3: Cross multiply
    2,211.64x = 3,317.38 × 568.20
  4. Step 4: Simplify right side
    2,211.64x = 1,884,935.32
  5. Step 5: Solve for x
    x = 1,884,935.32/2,211.64
  6. Step 6: Final answer
    x = 852.28

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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.