Home / 2,004.87-2,766.60-1,120.74

Finding the Fourth Proportional to 2,004.87, 2,766.60 and 1,120.74

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Solution

The fourth proportional to 2,004.87, 2,766.60 and 1,120.74 is: 1,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.87 : 2,766.60 = 1,120.74 : x
  2. Step 2: Convert to fraction form
    2,004.87/2,766.60 = 1,120.74/x
  3. Step 3: Cross multiply
    2,004.87x = 2,766.60 × 1,120.74
  4. Step 4: Simplify right side
    2,004.87x = 3,100,639.28
  5. Step 5: Solve for x
    x = 3,100,639.28/2,004.87
  6. Step 6: Final answer
    x = 1,546.55

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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.