Home / 3,519.05-4,860.42-2,813.34

Finding the Fourth Proportional to 3,519.05, 4,860.42 and 2,813.34

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Solution

The fourth proportional to 3,519.05, 4,860.42 and 2,813.34 is: 3,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.05 : 4,860.42 = 2,813.34 : x
  2. Step 2: Convert to fraction form
    3,519.05/4,860.42 = 2,813.34/x
  3. Step 3: Cross multiply
    3,519.05x = 4,860.42 × 2,813.34
  4. Step 4: Simplify right side
    3,519.05x = 13,674,014.00
  5. Step 5: Solve for x
    x = 13,674,014.00/3,519.05
  6. Step 6: Final answer
    x = 3,885.71

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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.