Home / 2,750.06-4,121.76-1,189.64

Finding the Fourth Proportional to 2,750.06, 4,121.76 and 1,189.64

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Solution

The fourth proportional to 2,750.06, 4,121.76 and 1,189.64 is: 1,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.06 : 4,121.76 = 1,189.64 : x
  2. Step 2: Convert to fraction form
    2,750.06/4,121.76 = 1,189.64/x
  3. Step 3: Cross multiply
    2,750.06x = 4,121.76 × 1,189.64
  4. Step 4: Simplify right side
    2,750.06x = 4,903,410.57
  5. Step 5: Solve for x
    x = 4,903,410.57/2,750.06
  6. Step 6: Final answer
    x = 1,783.02

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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.