Home / 1,823.36-2,735.64-727.43

Finding the Fourth Proportional to 1,823.36, 2,735.64 and 727.43

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Solution

The fourth proportional to 1,823.36, 2,735.64 and 727.43 is: 1,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.36 : 2,735.64 = 727.43 : x
  2. Step 2: Convert to fraction form
    1,823.36/2,735.64 = 727.43/x
  3. Step 3: Cross multiply
    1,823.36x = 2,735.64 × 727.43
  4. Step 4: Simplify right side
    1,823.36x = 1,989,972.93
  5. Step 5: Solve for x
    x = 1,989,972.93/1,823.36
  6. Step 6: Final answer
    x = 1,091.38

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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.