Home / 1,728.54-2,373.34-1,683.44

Finding the Fourth Proportional to 1,728.54, 2,373.34 and 1,683.44

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Solution

The fourth proportional to 1,728.54, 2,373.34 and 1,683.44 is: 2,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728.54 : 2,373.34 = 1,683.44 : x
  2. Step 2: Convert to fraction form
    1,728.54/2,373.34 = 1,683.44/x
  3. Step 3: Cross multiply
    1,728.54x = 2,373.34 × 1,683.44
  4. Step 4: Simplify right side
    1,728.54x = 3,995,373.76
  5. Step 5: Solve for x
    x = 3,995,373.76/1,728.54
  6. Step 6: Final answer
    x = 2,311.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.