Home / 3,522.79-4,860.20-2,105.49

Finding the Fourth Proportional to 3,522.79, 4,860.20 and 2,105.49

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Solution

The fourth proportional to 3,522.79, 4,860.20 and 2,105.49 is: 2,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.79 : 4,860.20 = 2,105.49 : x
  2. Step 2: Convert to fraction form
    3,522.79/4,860.20 = 2,105.49/x
  3. Step 3: Cross multiply
    3,522.79x = 4,860.20 × 2,105.49
  4. Step 4: Simplify right side
    3,522.79x = 10,233,125.99
  5. Step 5: Solve for x
    x = 10,233,125.99/3,522.79
  6. Step 6: Final answer
    x = 2,904.83

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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.