Home / 3,905.90-5,392-2,414.69

Finding the Fourth Proportional to 3,905.90, 5,392 and 2,414.69

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Solution

The fourth proportional to 3,905.90, 5,392 and 2,414.69 is: 3,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.90 : 5,392 = 2,414.69 : x
  2. Step 2: Convert to fraction form
    3,905.90/5,392 = 2,414.69/x
  3. Step 3: Cross multiply
    3,905.90x = 5,392 × 2,414.69
  4. Step 4: Simplify right side
    3,905.90x = 13,020,008.48
  5. Step 5: Solve for x
    x = 13,020,008.48/3,905.90
  6. Step 6: Final answer
    x = 3,333.42

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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.