Home / 3,065.78-4,600.19-1,216.85

Finding the Fourth Proportional to 3,065.78, 4,600.19 and 1,216.85

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Solution

The fourth proportional to 3,065.78, 4,600.19 and 1,216.85 is: 1,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.78 : 4,600.19 = 1,216.85 : x
  2. Step 2: Convert to fraction form
    3,065.78/4,600.19 = 1,216.85/x
  3. Step 3: Cross multiply
    3,065.78x = 4,600.19 × 1,216.85
  4. Step 4: Simplify right side
    3,065.78x = 5,597,741.20
  5. Step 5: Solve for x
    x = 5,597,741.20/3,065.78
  6. Step 6: Final answer
    x = 1,825.88

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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.