Home / 3,369.94-4,649.20-2,485.42

Finding the Fourth Proportional to 3,369.94, 4,649.20 and 2,485.42

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Solution

The fourth proportional to 3,369.94, 4,649.20 and 2,485.42 is: 3,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.94 : 4,649.20 = 2,485.42 : x
  2. Step 2: Convert to fraction form
    3,369.94/4,649.20 = 2,485.42/x
  3. Step 3: Cross multiply
    3,369.94x = 4,649.20 × 2,485.42
  4. Step 4: Simplify right side
    3,369.94x = 11,555,214.66
  5. Step 5: Solve for x
    x = 11,555,214.66/3,369.94
  6. Step 6: Final answer
    x = 3,428.91

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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.