Home / 3,408.86-4,703.60-1,992.48

Finding the Fourth Proportional to 3,408.86, 4,703.60 and 1,992.48

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Solution

The fourth proportional to 3,408.86, 4,703.60 and 1,992.48 is: 2,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.86 : 4,703.60 = 1,992.48 : x
  2. Step 2: Convert to fraction form
    3,408.86/4,703.60 = 1,992.48/x
  3. Step 3: Cross multiply
    3,408.86x = 4,703.60 × 1,992.48
  4. Step 4: Simplify right side
    3,408.86x = 9,371,828.93
  5. Step 5: Solve for x
    x = 9,371,828.93/3,408.86
  6. Step 6: Final answer
    x = 2,749.26

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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.