Home / 2,477.25-3,414.66-2,278.60

Finding the Fourth Proportional to 2,477.25, 3,414.66 and 2,278.60

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Solution

The fourth proportional to 2,477.25, 3,414.66 and 2,278.60 is: 3,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.25 : 3,414.66 = 2,278.60 : x
  2. Step 2: Convert to fraction form
    2,477.25/3,414.66 = 2,278.60/x
  3. Step 3: Cross multiply
    2,477.25x = 3,414.66 × 2,278.60
  4. Step 4: Simplify right side
    2,477.25x = 7,780,627.19
  5. Step 5: Solve for x
    x = 7,780,627.19/2,477.25
  6. Step 6: Final answer
    x = 3,140.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.