Home / 2,738.19-4,106.87-889.46

Finding the Fourth Proportional to 2,738.19, 4,106.87 and 889.46

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Solution

The fourth proportional to 2,738.19, 4,106.87 and 889.46 is: 1,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.19 : 4,106.87 = 889.46 : x
  2. Step 2: Convert to fraction form
    2,738.19/4,106.87 = 889.46/x
  3. Step 3: Cross multiply
    2,738.19x = 4,106.87 × 889.46
  4. Step 4: Simplify right side
    2,738.19x = 3,652,896.59
  5. Step 5: Solve for x
    x = 3,652,896.59/2,738.19
  6. Step 6: Final answer
    x = 1,334.06

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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.