Home / 2,945.24-4,415.40-2,018.54

Finding the Fourth Proportional to 2,945.24, 4,415.40 and 2,018.54

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Solution

The fourth proportional to 2,945.24, 4,415.40 and 2,018.54 is: 3,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.24 : 4,415.40 = 2,018.54 : x
  2. Step 2: Convert to fraction form
    2,945.24/4,415.40 = 2,018.54/x
  3. Step 3: Cross multiply
    2,945.24x = 4,415.40 × 2,018.54
  4. Step 4: Simplify right side
    2,945.24x = 8,912,639.44
  5. Step 5: Solve for x
    x = 8,912,639.44/2,945.24
  6. Step 6: Final answer
    x = 3,026.11

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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.