Home / 3,904.09-5,858.42-1,440.62

Finding the Fourth Proportional to 3,904.09, 5,858.42 and 1,440.62

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Solution

The fourth proportional to 3,904.09, 5,858.42 and 1,440.62 is: 2,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.09 : 5,858.42 = 1,440.62 : x
  2. Step 2: Convert to fraction form
    3,904.09/5,858.42 = 1,440.62/x
  3. Step 3: Cross multiply
    3,904.09x = 5,858.42 × 1,440.62
  4. Step 4: Simplify right side
    3,904.09x = 8,439,769.87
  5. Step 5: Solve for x
    x = 8,439,769.87/3,904.09
  6. Step 6: Final answer
    x = 2,161.78

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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.