Home / 2,738.07-4,107.17-889.18

Finding the Fourth Proportional to 2,738.07, 4,107.17 and 889.18

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Solution

The fourth proportional to 2,738.07, 4,107.17 and 889.18 is: 1,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.07 : 4,107.17 = 889.18 : x
  2. Step 2: Convert to fraction form
    2,738.07/4,107.17 = 889.18/x
  3. Step 3: Cross multiply
    2,738.07x = 4,107.17 × 889.18
  4. Step 4: Simplify right side
    2,738.07x = 3,652,013.42
  5. Step 5: Solve for x
    x = 3,652,013.42/2,738.07
  6. Step 6: Final answer
    x = 1,333.79

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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.