Home / 2,750.55-3,795.96-1,571.60

Finding the Fourth Proportional to 2,750.55, 3,795.96 and 1,571.60

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Solution

The fourth proportional to 2,750.55, 3,795.96 and 1,571.60 is: 2,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.55 : 3,795.96 = 1,571.60 : x
  2. Step 2: Convert to fraction form
    2,750.55/3,795.96 = 1,571.60/x
  3. Step 3: Cross multiply
    2,750.55x = 3,795.96 × 1,571.60
  4. Step 4: Simplify right side
    2,750.55x = 5,965,730.74
  5. Step 5: Solve for x
    x = 5,965,730.74/2,750.55
  6. Step 6: Final answer
    x = 2,168.92

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1.5x scale

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.