Home / 1,969.40-2,717.43-1,183.44

Finding the Fourth Proportional to 1,969.40, 2,717.43 and 1,183.44

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Solution

The fourth proportional to 1,969.40, 2,717.43 and 1,183.44 is: 1,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.40 : 2,717.43 = 1,183.44 : x
  2. Step 2: Convert to fraction form
    1,969.40/2,717.43 = 1,183.44/x
  3. Step 3: Cross multiply
    1,969.40x = 2,717.43 × 1,183.44
  4. Step 4: Simplify right side
    1,969.40x = 3,215,915.36
  5. Step 5: Solve for x
    x = 3,215,915.36/1,969.40
  6. Step 6: Final answer
    x = 1,632.94

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1.5x scale

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.