Home / 3,629.94-5,007.60-2,451.40

Finding the Fourth Proportional to 3,629.94, 5,007.60 and 2,451.40

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Solution

The fourth proportional to 3,629.94, 5,007.60 and 2,451.40 is: 3,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.94 : 5,007.60 = 2,451.40 : x
  2. Step 2: Convert to fraction form
    3,629.94/5,007.60 = 2,451.40/x
  3. Step 3: Cross multiply
    3,629.94x = 5,007.60 × 2,451.40
  4. Step 4: Simplify right side
    3,629.94x = 12,275,630.64
  5. Step 5: Solve for x
    x = 12,275,630.64/3,629.94
  6. Step 6: Final answer
    x = 3,381.77

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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.