Home / 3,522.09-5,285.79-2,408.85

Finding the Fourth Proportional to 3,522.09, 5,285.79 and 2,408.85

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Solution

The fourth proportional to 3,522.09, 5,285.79 and 2,408.85 is: 3,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.09 : 5,285.79 = 2,408.85 : x
  2. Step 2: Convert to fraction form
    3,522.09/5,285.79 = 2,408.85/x
  3. Step 3: Cross multiply
    3,522.09x = 5,285.79 × 2,408.85
  4. Step 4: Simplify right side
    3,522.09x = 12,732,648.81
  5. Step 5: Solve for x
    x = 12,732,648.81/3,522.09
  6. Step 6: Final answer
    x = 3,615.08

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1.5x scale

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.