Home / 3,336.20-4,605.70-2,157.94

Finding the Fourth Proportional to 3,336.20, 4,605.70 and 2,157.94

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Solution

The fourth proportional to 3,336.20, 4,605.70 and 2,157.94 is: 2,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.20 : 4,605.70 = 2,157.94 : x
  2. Step 2: Convert to fraction form
    3,336.20/4,605.70 = 2,157.94/x
  3. Step 3: Cross multiply
    3,336.20x = 4,605.70 × 2,157.94
  4. Step 4: Simplify right side
    3,336.20x = 9,938,824.26
  5. Step 5: Solve for x
    x = 9,938,824.26/3,336.20
  6. Step 6: Final answer
    x = 2,979.09

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