Home / 3,921.14-5,411.04-2,242.51

Finding the Fourth Proportional to 3,921.14, 5,411.04 and 2,242.51

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Solution

The fourth proportional to 3,921.14, 5,411.04 and 2,242.51 is: 3,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.14 : 5,411.04 = 2,242.51 : x
  2. Step 2: Convert to fraction form
    3,921.14/5,411.04 = 2,242.51/x
  3. Step 3: Cross multiply
    3,921.14x = 5,411.04 × 2,242.51
  4. Step 4: Simplify right side
    3,921.14x = 12,134,311.31
  5. Step 5: Solve for x
    x = 12,134,311.31/3,921.14
  6. Step 6: Final answer
    x = 3,094.59

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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.