Home / 3,946.81-5,921.03-1,349.95

Finding the Fourth Proportional to 3,946.81, 5,921.03 and 1,349.95

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Solution

The fourth proportional to 3,946.81, 5,921.03 and 1,349.95 is: 2,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.81 : 5,921.03 = 1,349.95 : x
  2. Step 2: Convert to fraction form
    3,946.81/5,921.03 = 1,349.95/x
  3. Step 3: Cross multiply
    3,946.81x = 5,921.03 × 1,349.95
  4. Step 4: Simplify right side
    3,946.81x = 7,993,072.90
  5. Step 5: Solve for x
    x = 7,993,072.90/3,946.81
  6. Step 6: Final answer
    x = 2,025.20

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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.