Home / 2,765.03-4,147.53-2,277.05

Finding the Fourth Proportional to 2,765.03, 4,147.53 and 2,277.05

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Solution

The fourth proportional to 2,765.03, 4,147.53 and 2,277.05 is: 3,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.03 : 4,147.53 = 2,277.05 : x
  2. Step 2: Convert to fraction form
    2,765.03/4,147.53 = 2,277.05/x
  3. Step 3: Cross multiply
    2,765.03x = 4,147.53 × 2,277.05
  4. Step 4: Simplify right side
    2,765.03x = 9,444,112.45
  5. Step 5: Solve for x
    x = 9,444,112.45/2,765.03
  6. Step 6: Final answer
    x = 3,415.56

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1.5x scale

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.