Home / 1,941.26-2,906.34-1,648.40

Finding the Fourth Proportional to 1,941.26, 2,906.34 and 1,648.40

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Solution

The fourth proportional to 1,941.26, 2,906.34 and 1,648.40 is: 2,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.26 : 2,906.34 = 1,648.40 : x
  2. Step 2: Convert to fraction form
    1,941.26/2,906.34 = 1,648.40/x
  3. Step 3: Cross multiply
    1,941.26x = 2,906.34 × 1,648.40
  4. Step 4: Simplify right side
    1,941.26x = 4,790,810.86
  5. Step 5: Solve for x
    x = 4,790,810.86/1,941.26
  6. Step 6: Final answer
    x = 2,467.89

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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.