Home / 2,211.51-3,317.40-568.11

Finding the Fourth Proportional to 2,211.51, 3,317.40 and 568.11

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Solution

The fourth proportional to 2,211.51, 3,317.40 and 568.11 is: 852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.51 : 3,317.40 = 568.11 : x
  2. Step 2: Convert to fraction form
    2,211.51/3,317.40 = 568.11/x
  3. Step 3: Cross multiply
    2,211.51x = 3,317.40 × 568.11
  4. Step 4: Simplify right side
    2,211.51x = 1,884,648.11
  5. Step 5: Solve for x
    x = 1,884,648.11/2,211.51
  6. Step 6: Final answer
    x = 852.20

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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.