Home / 2,083.48-3,121.02-1,353.64

Finding the Fourth Proportional to 2,083.48, 3,121.02 and 1,353.64

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Solution

The fourth proportional to 2,083.48, 3,121.02 and 1,353.64 is: 2,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.48 : 3,121.02 = 1,353.64 : x
  2. Step 2: Convert to fraction form
    2,083.48/3,121.02 = 1,353.64/x
  3. Step 3: Cross multiply
    2,083.48x = 3,121.02 × 1,353.64
  4. Step 4: Simplify right side
    2,083.48x = 4,224,737.51
  5. Step 5: Solve for x
    x = 4,224,737.51/2,083.48
  6. Step 6: Final answer
    x = 2,027.73

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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.