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Finding the Fourth Proportional to 4,105, 5,665.04 and 2,242.12

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Solution

The fourth proportional to 4,105, 5,665.04 and 2,242.12 is: 3,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105 : 5,665.04 = 2,242.12 : x
  2. Step 2: Convert to fraction form
    4,105/5,665.04 = 2,242.12/x
  3. Step 3: Cross multiply
    4,105x = 5,665.04 × 2,242.12
  4. Step 4: Simplify right side
    4,105x = 12,701,699.48
  5. Step 5: Solve for x
    x = 12,701,699.48/4,105
  6. Step 6: Final answer
    x = 3,094.20

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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.