Home / 3,531.84-5,284.80-2,146.56

Finding the Fourth Proportional to 3,531.84, 5,284.80 and 2,146.56

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Solution

The fourth proportional to 3,531.84, 5,284.80 and 2,146.56 is: 3,211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.84 : 5,284.80 = 2,146.56 : x
  2. Step 2: Convert to fraction form
    3,531.84/5,284.80 = 2,146.56/x
  3. Step 3: Cross multiply
    3,531.84x = 5,284.80 × 2,146.56
  4. Step 4: Simplify right side
    3,531.84x = 11,344,140.29
  5. Step 5: Solve for x
    x = 11,344,140.29/3,531.84
  6. Step 6: Final answer
    x = 3,211.96

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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.