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Finding the Fourth Proportional to 2,289.07, 3,432.83 and 902.04

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Solution

The fourth proportional to 2,289.07, 3,432.83 and 902.04 is: 1,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.07 : 3,432.83 = 902.04 : x
  2. Step 2: Convert to fraction form
    2,289.07/3,432.83 = 902.04/x
  3. Step 3: Cross multiply
    2,289.07x = 3,432.83 × 902.04
  4. Step 4: Simplify right side
    2,289.07x = 3,096,549.97
  5. Step 5: Solve for x
    x = 3,096,549.97/2,289.07
  6. Step 6: Final answer
    x = 1,352.75

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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.