Home / 2,765.18-4,147.79-2,277.23

Finding the Fourth Proportional to 2,765.18, 4,147.79 and 2,277.23

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Solution

The fourth proportional to 2,765.18, 4,147.79 and 2,277.23 is: 3,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.18 : 4,147.79 = 2,277.23 : x
  2. Step 2: Convert to fraction form
    2,765.18/4,147.79 = 2,277.23/x
  3. Step 3: Cross multiply
    2,765.18x = 4,147.79 × 2,277.23
  4. Step 4: Simplify right side
    2,765.18x = 9,445,439.70
  5. Step 5: Solve for x
    x = 9,445,439.70/2,765.18
  6. Step 6: Final answer
    x = 3,415.85

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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.