Home / 2,738.34-3,778.02-1,619.31

Finding the Fourth Proportional to 2,738.34, 3,778.02 and 1,619.31

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Solution

The fourth proportional to 2,738.34, 3,778.02 and 1,619.31 is: 2,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.34 : 3,778.02 = 1,619.31 : x
  2. Step 2: Convert to fraction form
    2,738.34/3,778.02 = 1,619.31/x
  3. Step 3: Cross multiply
    2,738.34x = 3,778.02 × 1,619.31
  4. Step 4: Simplify right side
    2,738.34x = 6,117,785.57
  5. Step 5: Solve for x
    x = 6,117,785.57/2,738.34
  6. Step 6: Final answer
    x = 2,234.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.