Home / 3,433.78-4,738.89-1,942.01

Finding the Fourth Proportional to 3,433.78, 4,738.89 and 1,942.01

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Solution

The fourth proportional to 3,433.78, 4,738.89 and 1,942.01 is: 2,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.78 : 4,738.89 = 1,942.01 : x
  2. Step 2: Convert to fraction form
    3,433.78/4,738.89 = 1,942.01/x
  3. Step 3: Cross multiply
    3,433.78x = 4,738.89 × 1,942.01
  4. Step 4: Simplify right side
    3,433.78x = 9,202,971.77
  5. Step 5: Solve for x
    x = 9,202,971.77/3,433.78
  6. Step 6: Final answer
    x = 2,680.13

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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.