Home / 1,546.14-2,133.89-986.43

Finding the Fourth Proportional to 1,546.14, 2,133.89 and 986.43

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Solution

The fourth proportional to 1,546.14, 2,133.89 and 986.43 is: 1,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.14 : 2,133.89 = 986.43 : x
  2. Step 2: Convert to fraction form
    1,546.14/2,133.89 = 986.43/x
  3. Step 3: Cross multiply
    1,546.14x = 2,133.89 × 986.43
  4. Step 4: Simplify right side
    1,546.14x = 2,104,933.11
  5. Step 5: Solve for x
    x = 2,104,933.11/1,546.14
  6. Step 6: Final answer
    x = 1,361.41

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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.