Home / 2,305.28-3,452.88-1,328.96

Finding the Fourth Proportional to 2,305.28, 3,452.88 and 1,328.96

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Solution

The fourth proportional to 2,305.28, 3,452.88 and 1,328.96 is: 1,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.28 : 3,452.88 = 1,328.96 : x
  2. Step 2: Convert to fraction form
    2,305.28/3,452.88 = 1,328.96/x
  3. Step 3: Cross multiply
    2,305.28x = 3,452.88 × 1,328.96
  4. Step 4: Simplify right side
    2,305.28x = 4,588,739.40
  5. Step 5: Solve for x
    x = 4,588,739.40/2,305.28
  6. Step 6: Final answer
    x = 1,990.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.