Home / 3,261.70-4,893.16-1,071.06

Finding the Fourth Proportional to 3,261.70, 4,893.16 and 1,071.06

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Solution

The fourth proportional to 3,261.70, 4,893.16 and 1,071.06 is: 1,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.70 : 4,893.16 = 1,071.06 : x
  2. Step 2: Convert to fraction form
    3,261.70/4,893.16 = 1,071.06/x
  3. Step 3: Cross multiply
    3,261.70x = 4,893.16 × 1,071.06
  4. Step 4: Simplify right side
    3,261.70x = 5,240,867.95
  5. Step 5: Solve for x
    x = 5,240,867.95/3,261.70
  6. Step 6: Final answer
    x = 1,606.79

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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.