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Finding the Fourth Proportional to 3,636.29, 5,021.03 and 2,964.20

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Solution

The fourth proportional to 3,636.29, 5,021.03 and 2,964.20 is: 4,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.29 : 5,021.03 = 2,964.20 : x
  2. Step 2: Convert to fraction form
    3,636.29/5,021.03 = 2,964.20/x
  3. Step 3: Cross multiply
    3,636.29x = 5,021.03 × 2,964.20
  4. Step 4: Simplify right side
    3,636.29x = 14,883,319.43
  5. Step 5: Solve for x
    x = 14,883,319.43/3,636.29
  6. Step 6: Final answer
    x = 4,093.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.