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Finding the Fourth Proportional to 3,093.60, 4,641.06 and 902.15

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Solution

The fourth proportional to 3,093.60, 4,641.06 and 902.15 is: 1,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.60 : 4,641.06 = 902.15 : x
  2. Step 2: Convert to fraction form
    3,093.60/4,641.06 = 902.15/x
  3. Step 3: Cross multiply
    3,093.60x = 4,641.06 × 902.15
  4. Step 4: Simplify right side
    3,093.60x = 4,186,929.86
  5. Step 5: Solve for x
    x = 4,186,929.86/3,093.60
  6. Step 6: Final answer
    x = 1,353.42

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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.