Home / 1,326.08-1,986.60-1,094.96

Finding the Fourth Proportional to 1,326.08, 1,986.60 and 1,094.96

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Solution

The fourth proportional to 1,326.08, 1,986.60 and 1,094.96 is: 1,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.08 : 1,986.60 = 1,094.96 : x
  2. Step 2: Convert to fraction form
    1,326.08/1,986.60 = 1,094.96/x
  3. Step 3: Cross multiply
    1,326.08x = 1,986.60 × 1,094.96
  4. Step 4: Simplify right side
    1,326.08x = 2,175,247.54
  5. Step 5: Solve for x
    x = 2,175,247.54/1,326.08
  6. Step 6: Final answer
    x = 1,640.36

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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.