Home / 3,104.50-4,651.88-2,640.36

Finding the Fourth Proportional to 3,104.50, 4,651.88 and 2,640.36

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Solution

The fourth proportional to 3,104.50, 4,651.88 and 2,640.36 is: 3,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.50 : 4,651.88 = 2,640.36 : x
  2. Step 2: Convert to fraction form
    3,104.50/4,651.88 = 2,640.36/x
  3. Step 3: Cross multiply
    3,104.50x = 4,651.88 × 2,640.36
  4. Step 4: Simplify right side
    3,104.50x = 12,282,637.88
  5. Step 5: Solve for x
    x = 12,282,637.88/3,104.50
  6. Step 6: Final answer
    x = 3,956.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.