Home / 3,103-4,281.88-1,983.92

Finding the Fourth Proportional to 3,103, 4,281.88 and 1,983.92

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Solution

The fourth proportional to 3,103, 4,281.88 and 1,983.92 is: 2,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103 : 4,281.88 = 1,983.92 : x
  2. Step 2: Convert to fraction form
    3,103/4,281.88 = 1,983.92/x
  3. Step 3: Cross multiply
    3,103x = 4,281.88 × 1,983.92
  4. Step 4: Simplify right side
    3,103x = 8,494,907.37
  5. Step 5: Solve for x
    x = 8,494,907.37/3,103
  6. Step 6: Final answer
    x = 2,737.64

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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.