Home / 3,368.85-5,045.94-2,133.18

Finding the Fourth Proportional to 3,368.85, 5,045.94 and 2,133.18

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Solution

The fourth proportional to 3,368.85, 5,045.94 and 2,133.18 is: 3,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.85 : 5,045.94 = 2,133.18 : x
  2. Step 2: Convert to fraction form
    3,368.85/5,045.94 = 2,133.18/x
  3. Step 3: Cross multiply
    3,368.85x = 5,045.94 × 2,133.18
  4. Step 4: Simplify right side
    3,368.85x = 10,763,898.29
  5. Step 5: Solve for x
    x = 10,763,898.29/3,368.85
  6. Step 6: Final answer
    x = 3,195.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.