Home / 3,946.41-5,918.28-3,069.89

Finding the Fourth Proportional to 3,946.41, 5,918.28 and 3,069.89

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Solution

The fourth proportional to 3,946.41, 5,918.28 and 3,069.89 is: 4,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.41 : 5,918.28 = 3,069.89 : x
  2. Step 2: Convert to fraction form
    3,946.41/5,918.28 = 3,069.89/x
  3. Step 3: Cross multiply
    3,946.41x = 5,918.28 × 3,069.89
  4. Step 4: Simplify right side
    3,946.41x = 18,168,439.00
  5. Step 5: Solve for x
    x = 18,168,439.00/3,946.41
  6. Step 6: Final answer
    x = 4,603.79

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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.