Home / 3,408.86-4,704.40-2,082.48

Finding the Fourth Proportional to 3,408.86, 4,704.40 and 2,082.48

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Solution

The fourth proportional to 3,408.86, 4,704.40 and 2,082.48 is: 2,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.86 : 4,704.40 = 2,082.48 : x
  2. Step 2: Convert to fraction form
    3,408.86/4,704.40 = 2,082.48/x
  3. Step 3: Cross multiply
    3,408.86x = 4,704.40 × 2,082.48
  4. Step 4: Simplify right side
    3,408.86x = 9,796,818.91
  5. Step 5: Solve for x
    x = 9,796,818.91/3,408.86
  6. Step 6: Final answer
    x = 2,873.93

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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.