Home / 2,669.28-4,003.07-1,852.80

Finding the Fourth Proportional to 2,669.28, 4,003.07 and 1,852.80

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Solution

The fourth proportional to 2,669.28, 4,003.07 and 1,852.80 is: 2,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.28 : 4,003.07 = 1,852.80 : x
  2. Step 2: Convert to fraction form
    2,669.28/4,003.07 = 1,852.80/x
  3. Step 3: Cross multiply
    2,669.28x = 4,003.07 × 1,852.80
  4. Step 4: Simplify right side
    2,669.28x = 7,416,878.83
  5. Step 5: Solve for x
    x = 7,416,878.83/2,669.28
  6. Step 6: Final answer
    x = 2,778.61

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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.