Home / 2,693.37-4,039.93-938.77

Finding the Fourth Proportional to 2,693.37, 4,039.93 and 938.77

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Solution

The fourth proportional to 2,693.37, 4,039.93 and 938.77 is: 1,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.37 : 4,039.93 = 938.77 : x
  2. Step 2: Convert to fraction form
    2,693.37/4,039.93 = 938.77/x
  3. Step 3: Cross multiply
    2,693.37x = 4,039.93 × 938.77
  4. Step 4: Simplify right side
    2,693.37x = 3,792,552.64
  5. Step 5: Solve for x
    x = 3,792,552.64/2,693.37
  6. Step 6: Final answer
    x = 1,408.11

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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.