Home / 3,935.71-5,429.65-2,342.04

Finding the Fourth Proportional to 3,935.71, 5,429.65 and 2,342.04

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Solution

The fourth proportional to 3,935.71, 5,429.65 and 2,342.04 is: 3,231.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.71 : 5,429.65 = 2,342.04 : x
  2. Step 2: Convert to fraction form
    3,935.71/5,429.65 = 2,342.04/x
  3. Step 3: Cross multiply
    3,935.71x = 5,429.65 × 2,342.04
  4. Step 4: Simplify right side
    3,935.71x = 12,716,418.63
  5. Step 5: Solve for x
    x = 12,716,418.63/3,935.71
  6. Step 6: Final answer
    x = 3,231.04

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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.