Home / 2,804.36-4,221.16-2,381.54

Finding the Fourth Proportional to 2,804.36, 4,221.16 and 2,381.54

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Solution

The fourth proportional to 2,804.36, 4,221.16 and 2,381.54 is: 3,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.36 : 4,221.16 = 2,381.54 : x
  2. Step 2: Convert to fraction form
    2,804.36/4,221.16 = 2,381.54/x
  3. Step 3: Cross multiply
    2,804.36x = 4,221.16 × 2,381.54
  4. Step 4: Simplify right side
    2,804.36x = 10,052,861.39
  5. Step 5: Solve for x
    x = 10,052,861.39/2,804.36
  6. Step 6: Final answer
    x = 3,584.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.