Home / 3,138.34-4,330.94-1,794.23

Finding the Fourth Proportional to 3,138.34, 4,330.94 and 1,794.23

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Solution

The fourth proportional to 3,138.34, 4,330.94 and 1,794.23 is: 2,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.34 : 4,330.94 = 1,794.23 : x
  2. Step 2: Convert to fraction form
    3,138.34/4,330.94 = 1,794.23/x
  3. Step 3: Cross multiply
    3,138.34x = 4,330.94 × 1,794.23
  4. Step 4: Simplify right side
    3,138.34x = 7,770,717.79
  5. Step 5: Solve for x
    x = 7,770,717.79/3,138.34
  6. Step 6: Final answer
    x = 2,476.06

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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.