Home / 3,949.83-5,921.91-1,484.28

Finding the Fourth Proportional to 3,949.83, 5,921.91 and 1,484.28

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Solution

The fourth proportional to 3,949.83, 5,921.91 and 1,484.28 is: 2,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.83 : 5,921.91 = 1,484.28 : x
  2. Step 2: Convert to fraction form
    3,949.83/5,921.91 = 1,484.28/x
  3. Step 3: Cross multiply
    3,949.83x = 5,921.91 × 1,484.28
  4. Step 4: Simplify right side
    3,949.83x = 8,789,772.57
  5. Step 5: Solve for x
    x = 8,789,772.57/3,949.83
  6. Step 6: Final answer
    x = 2,225.35

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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.