Home / 3,411.79-4,708.40-2,067.83

Finding the Fourth Proportional to 3,411.79, 4,708.40 and 2,067.83

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Solution

The fourth proportional to 3,411.79, 4,708.40 and 2,067.83 is: 2,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.79 : 4,708.40 = 2,067.83 : x
  2. Step 2: Convert to fraction form
    3,411.79/4,708.40 = 2,067.83/x
  3. Step 3: Cross multiply
    3,411.79x = 4,708.40 × 2,067.83
  4. Step 4: Simplify right side
    3,411.79x = 9,736,154.55
  5. Step 5: Solve for x
    x = 9,736,154.55/3,411.79
  6. Step 6: Final answer
    x = 2,853.68

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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.