Home / 2,665.63-4,006.43-2,206.36

Finding the Fourth Proportional to 2,665.63, 4,006.43 and 2,206.36

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Solution

The fourth proportional to 2,665.63, 4,006.43 and 2,206.36 is: 3,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.63 : 4,006.43 = 2,206.36 : x
  2. Step 2: Convert to fraction form
    2,665.63/4,006.43 = 2,206.36/x
  3. Step 3: Cross multiply
    2,665.63x = 4,006.43 × 2,206.36
  4. Step 4: Simplify right side
    2,665.63x = 8,839,626.89
  5. Step 5: Solve for x
    x = 8,839,626.89/2,665.63
  6. Step 6: Final answer
    x = 3,316.15

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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.