Home / 3,369.66-4,651.83-2,111.43

Finding the Fourth Proportional to 3,369.66, 4,651.83 and 2,111.43

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Solution

The fourth proportional to 3,369.66, 4,651.83 and 2,111.43 is: 2,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.66 : 4,651.83 = 2,111.43 : x
  2. Step 2: Convert to fraction form
    3,369.66/4,651.83 = 2,111.43/x
  3. Step 3: Cross multiply
    3,369.66x = 4,651.83 × 2,111.43
  4. Step 4: Simplify right side
    3,369.66x = 9,822,013.42
  5. Step 5: Solve for x
    x = 9,822,013.42/3,369.66
  6. Step 6: Final answer
    x = 2,914.84

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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.