Home / 2,290.13-3,433.53-902.75

Finding the Fourth Proportional to 2,290.13, 3,433.53 and 902.75

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Solution

The fourth proportional to 2,290.13, 3,433.53 and 902.75 is: 1,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.13 : 3,433.53 = 902.75 : x
  2. Step 2: Convert to fraction form
    2,290.13/3,433.53 = 902.75/x
  3. Step 3: Cross multiply
    2,290.13x = 3,433.53 × 902.75
  4. Step 4: Simplify right side
    2,290.13x = 3,099,619.21
  5. Step 5: Solve for x
    x = 3,099,619.21/2,290.13
  6. Step 6: Final answer
    x = 1,353.47

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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.