Home / 2,586.18-3,571.83-2,003.79

Finding the Fourth Proportional to 2,586.18, 3,571.83 and 2,003.79

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Solution

The fourth proportional to 2,586.18, 3,571.83 and 2,003.79 is: 2,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.18 : 3,571.83 = 2,003.79 : x
  2. Step 2: Convert to fraction form
    2,586.18/3,571.83 = 2,003.79/x
  3. Step 3: Cross multiply
    2,586.18x = 3,571.83 × 2,003.79
  4. Step 4: Simplify right side
    2,586.18x = 7,157,197.24
  5. Step 5: Solve for x
    x = 7,157,197.24/2,586.18
  6. Step 6: Final answer
    x = 2,767.48

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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.