Home / 2,669.24-4,007.10-2,487.80

Finding the Fourth Proportional to 2,669.24, 4,007.10 and 2,487.80

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Solution

The fourth proportional to 2,669.24, 4,007.10 and 2,487.80 is: 3,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.24 : 4,007.10 = 2,487.80 : x
  2. Step 2: Convert to fraction form
    2,669.24/4,007.10 = 2,487.80/x
  3. Step 3: Cross multiply
    2,669.24x = 4,007.10 × 2,487.80
  4. Step 4: Simplify right side
    2,669.24x = 9,968,863.38
  5. Step 5: Solve for x
    x = 9,968,863.38/2,669.24
  6. Step 6: Final answer
    x = 3,734.72

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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.