Home / 3,428.62-4,731.26-1,936.25

Finding the Fourth Proportional to 3,428.62, 4,731.26 and 1,936.25

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Solution

The fourth proportional to 3,428.62, 4,731.26 and 1,936.25 is: 2,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.62 : 4,731.26 = 1,936.25 : x
  2. Step 2: Convert to fraction form
    3,428.62/4,731.26 = 1,936.25/x
  3. Step 3: Cross multiply
    3,428.62x = 4,731.26 × 1,936.25
  4. Step 4: Simplify right side
    3,428.62x = 9,160,883.36
  5. Step 5: Solve for x
    x = 9,160,883.36/3,428.62
  6. Step 6: Final answer
    x = 2,671.89

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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.