Home / 2,643.90-3,648.66-1,464.94

Finding the Fourth Proportional to 2,643.90, 3,648.66 and 1,464.94

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Solution

The fourth proportional to 2,643.90, 3,648.66 and 1,464.94 is: 2,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.90 : 3,648.66 = 1,464.94 : x
  2. Step 2: Convert to fraction form
    2,643.90/3,648.66 = 1,464.94/x
  3. Step 3: Cross multiply
    2,643.90x = 3,648.66 × 1,464.94
  4. Step 4: Simplify right side
    2,643.90x = 5,345,067.98
  5. Step 5: Solve for x
    x = 5,345,067.98/2,643.90
  6. Step 6: Final answer
    x = 2,021.66

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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.