Home / 3,224.60-4,836.90-1,928.60

Finding the Fourth Proportional to 3,224.60, 4,836.90 and 1,928.60

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Solution

The fourth proportional to 3,224.60, 4,836.90 and 1,928.60 is: 2,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.60 : 4,836.90 = 1,928.60 : x
  2. Step 2: Convert to fraction form
    3,224.60/4,836.90 = 1,928.60/x
  3. Step 3: Cross multiply
    3,224.60x = 4,836.90 × 1,928.60
  4. Step 4: Simplify right side
    3,224.60x = 9,328,445.34
  5. Step 5: Solve for x
    x = 9,328,445.34/3,224.60
  6. Step 6: Final answer
    x = 2,892.90

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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.