Home / 3,904.32-5,857.39-1,131.05

Finding the Fourth Proportional to 3,904.32, 5,857.39 and 1,131.05

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Solution

The fourth proportional to 3,904.32, 5,857.39 and 1,131.05 is: 1,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.32 : 5,857.39 = 1,131.05 : x
  2. Step 2: Convert to fraction form
    3,904.32/5,857.39 = 1,131.05/x
  3. Step 3: Cross multiply
    3,904.32x = 5,857.39 × 1,131.05
  4. Step 4: Simplify right side
    3,904.32x = 6,624,968.84
  5. Step 5: Solve for x
    x = 6,624,968.84/3,904.32
  6. Step 6: Final answer
    x = 1,696.83

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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.