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Finding the Fourth Proportional to 3,266.60, 4,892.70 and 2,901.80

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Solution

The fourth proportional to 3,266.60, 4,892.70 and 2,901.80 is: 4,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.60 : 4,892.70 = 2,901.80 : x
  2. Step 2: Convert to fraction form
    3,266.60/4,892.70 = 2,901.80/x
  3. Step 3: Cross multiply
    3,266.60x = 4,892.70 × 2,901.80
  4. Step 4: Simplify right side
    3,266.60x = 14,197,636.86
  5. Step 5: Solve for x
    x = 14,197,636.86/3,266.60
  6. Step 6: Final answer
    x = 4,346.30

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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.