Home / 2,945.54-4,065.03-1,619.36

Finding the Fourth Proportional to 2,945.54, 4,065.03 and 1,619.36

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Solution

The fourth proportional to 2,945.54, 4,065.03 and 1,619.36 is: 2,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.54 : 4,065.03 = 1,619.36 : x
  2. Step 2: Convert to fraction form
    2,945.54/4,065.03 = 1,619.36/x
  3. Step 3: Cross multiply
    2,945.54x = 4,065.03 × 1,619.36
  4. Step 4: Simplify right side
    2,945.54x = 6,582,746.98
  5. Step 5: Solve for x
    x = 6,582,746.98/2,945.54
  6. Step 6: Final answer
    x = 2,234.82

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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.