Home / 2,945.72-4,418.58-1,646.48

Finding the Fourth Proportional to 2,945.72, 4,418.58 and 1,646.48

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Solution

The fourth proportional to 2,945.72, 4,418.58 and 1,646.48 is: 2,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.72 : 4,418.58 = 1,646.48 : x
  2. Step 2: Convert to fraction form
    2,945.72/4,418.58 = 1,646.48/x
  3. Step 3: Cross multiply
    2,945.72x = 4,418.58 × 1,646.48
  4. Step 4: Simplify right side
    2,945.72x = 7,275,103.60
  5. Step 5: Solve for x
    x = 7,275,103.60/2,945.72
  6. Step 6: Final answer
    x = 2,469.72

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1.5x scale

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.