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Finding the Fourth Proportional to 2,289.98, 3,433.62 and 902.18

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Solution

The fourth proportional to 2,289.98, 3,433.62 and 902.18 is: 1,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.98 : 3,433.62 = 902.18 : x
  2. Step 2: Convert to fraction form
    2,289.98/3,433.62 = 902.18/x
  3. Step 3: Cross multiply
    2,289.98x = 3,433.62 × 902.18
  4. Step 4: Simplify right side
    2,289.98x = 3,097,743.29
  5. Step 5: Solve for x
    x = 3,097,743.29/2,289.98
  6. Step 6: Final answer
    x = 1,352.74

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1.5x scale

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.