Home / 3,284.85-4,531.80-2,166.33

Finding the Fourth Proportional to 3,284.85, 4,531.80 and 2,166.33

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Solution

The fourth proportional to 3,284.85, 4,531.80 and 2,166.33 is: 2,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.85 : 4,531.80 = 2,166.33 : x
  2. Step 2: Convert to fraction form
    3,284.85/4,531.80 = 2,166.33/x
  3. Step 3: Cross multiply
    3,284.85x = 4,531.80 × 2,166.33
  4. Step 4: Simplify right side
    3,284.85x = 9,817,374.29
  5. Step 5: Solve for x
    x = 9,817,374.29/3,284.85
  6. Step 6: Final answer
    x = 2,988.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.