Home / 3,902.21-5,846.00-1,955.78

Finding the Fourth Proportional to 3,902.21, 5,846.00 and 1,955.78

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Solution

The fourth proportional to 3,902.21, 5,846.00 and 1,955.78 is: 2,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.21 : 5,846.00 = 1,955.78 : x
  2. Step 2: Convert to fraction form
    3,902.21/5,846.00 = 1,955.78/x
  3. Step 3: Cross multiply
    3,902.21x = 5,846.00 × 1,955.78
  4. Step 4: Simplify right side
    3,902.21x = 11,433,450.87
  5. Step 5: Solve for x
    x = 11,433,450.87/3,902.21
  6. Step 6: Final answer
    x = 2,930.00

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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.