Home / 2,138.26-3,204.20-1,554.38

Finding the Fourth Proportional to 2,138.26, 3,204.20 and 1,554.38

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Solution

The fourth proportional to 2,138.26, 3,204.20 and 1,554.38 is: 2,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138.26 : 3,204.20 = 1,554.38 : x
  2. Step 2: Convert to fraction form
    2,138.26/3,204.20 = 1,554.38/x
  3. Step 3: Cross multiply
    2,138.26x = 3,204.20 × 1,554.38
  4. Step 4: Simplify right side
    2,138.26x = 4,980,544.40
  5. Step 5: Solve for x
    x = 4,980,544.40/2,138.26
  6. Step 6: Final answer
    x = 2,329.25

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1.5x scale

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.