Home / 2,765.08-4,149.06-2,176.48

Finding the Fourth Proportional to 2,765.08, 4,149.06 and 2,176.48

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Solution

The fourth proportional to 2,765.08, 4,149.06 and 2,176.48 is: 3,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.08 : 4,149.06 = 2,176.48 : x
  2. Step 2: Convert to fraction form
    2,765.08/4,149.06 = 2,176.48/x
  3. Step 3: Cross multiply
    2,765.08x = 4,149.06 × 2,176.48
  4. Step 4: Simplify right side
    2,765.08x = 9,030,346.11
  5. Step 5: Solve for x
    x = 9,030,346.11/2,765.08
  6. Step 6: Final answer
    x = 3,265.85

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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.