Home / 3,746.06-5,619.30-1,280.54

Finding the Fourth Proportional to 3,746.06, 5,619.30 and 1,280.54

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Solution

The fourth proportional to 3,746.06, 5,619.30 and 1,280.54 is: 1,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.06 : 5,619.30 = 1,280.54 : x
  2. Step 2: Convert to fraction form
    3,746.06/5,619.30 = 1,280.54/x
  3. Step 3: Cross multiply
    3,746.06x = 5,619.30 × 1,280.54
  4. Step 4: Simplify right side
    3,746.06x = 7,195,738.42
  5. Step 5: Solve for x
    x = 7,195,738.42/3,746.06
  6. Step 6: Final answer
    x = 1,920.88

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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.