Home / 2,240.52-3,360.80-1,086

Finding the Fourth Proportional to 2,240.52, 3,360.80 and 1,086

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Solution

The fourth proportional to 2,240.52, 3,360.80 and 1,086 is: 1,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.52 : 3,360.80 = 1,086 : x
  2. Step 2: Convert to fraction form
    2,240.52/3,360.80 = 1,086/x
  3. Step 3: Cross multiply
    2,240.52x = 3,360.80 × 1,086
  4. Step 4: Simplify right side
    2,240.52x = 3,649,828.80
  5. Step 5: Solve for x
    x = 3,649,828.80/2,240.52
  6. Step 6: Final answer
    x = 1,629.01

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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.