Home / 2,750.66-3,795.86-1,571.57

Finding the Fourth Proportional to 2,750.66, 3,795.86 and 1,571.57

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Solution

The fourth proportional to 2,750.66, 3,795.86 and 1,571.57 is: 2,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.66 : 3,795.86 = 1,571.57 : x
  2. Step 2: Convert to fraction form
    2,750.66/3,795.86 = 1,571.57/x
  3. Step 3: Cross multiply
    2,750.66x = 3,795.86 × 1,571.57
  4. Step 4: Simplify right side
    2,750.66x = 5,965,459.70
  5. Step 5: Solve for x
    x = 5,965,459.70/2,750.66
  6. Step 6: Final answer
    x = 2,168.74

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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.