Home / 3,214.85-4,438.01-2,418.48

Finding the Fourth Proportional to 3,214.85, 4,438.01 and 2,418.48

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Solution

The fourth proportional to 3,214.85, 4,438.01 and 2,418.48 is: 3,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.85 : 4,438.01 = 2,418.48 : x
  2. Step 2: Convert to fraction form
    3,214.85/4,438.01 = 2,418.48/x
  3. Step 3: Cross multiply
    3,214.85x = 4,438.01 × 2,418.48
  4. Step 4: Simplify right side
    3,214.85x = 10,733,231.49
  5. Step 5: Solve for x
    x = 10,733,231.49/3,214.85
  6. Step 6: Final answer
    x = 3,338.64

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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.