Home / 3,408.53-4,703.40-2,847.83

Finding the Fourth Proportional to 3,408.53, 4,703.40 and 2,847.83

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Solution

The fourth proportional to 3,408.53, 4,703.40 and 2,847.83 is: 3,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.53 : 4,703.40 = 2,847.83 : x
  2. Step 2: Convert to fraction form
    3,408.53/4,703.40 = 2,847.83/x
  3. Step 3: Cross multiply
    3,408.53x = 4,703.40 × 2,847.83
  4. Step 4: Simplify right side
    3,408.53x = 13,394,460.11
  5. Step 5: Solve for x
    x = 13,394,460.11/3,408.53
  6. Step 6: Final answer
    x = 3,929.69

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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.