Home / 3,902.26-5,384.74-2,223.76

Finding the Fourth Proportional to 3,902.26, 5,384.74 and 2,223.76

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Solution

The fourth proportional to 3,902.26, 5,384.74 and 2,223.76 is: 3,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.26 : 5,384.74 = 2,223.76 : x
  2. Step 2: Convert to fraction form
    3,902.26/5,384.74 = 2,223.76/x
  3. Step 3: Cross multiply
    3,902.26x = 5,384.74 × 2,223.76
  4. Step 4: Simplify right side
    3,902.26x = 11,974,369.42
  5. Step 5: Solve for x
    x = 11,974,369.42/3,902.26
  6. Step 6: Final answer
    x = 3,068.57

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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.