Home / 3,077.45-4,620.27-2,618.18

Finding the Fourth Proportional to 3,077.45, 4,620.27 and 2,618.18

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Solution

The fourth proportional to 3,077.45, 4,620.27 and 2,618.18 is: 3,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.45 : 4,620.27 = 2,618.18 : x
  2. Step 2: Convert to fraction form
    3,077.45/4,620.27 = 2,618.18/x
  3. Step 3: Cross multiply
    3,077.45x = 4,620.27 × 2,618.18
  4. Step 4: Simplify right side
    3,077.45x = 12,096,662.32
  5. Step 5: Solve for x
    x = 12,096,662.32/3,077.45
  6. Step 6: Final answer
    x = 3,930.75

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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.