Home / 3,326.05-4,986.01-1,245

Finding the Fourth Proportional to 3,326.05, 4,986.01 and 1,245

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Solution

The fourth proportional to 3,326.05, 4,986.01 and 1,245 is: 1,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.05 : 4,986.01 = 1,245 : x
  2. Step 2: Convert to fraction form
    3,326.05/4,986.01 = 1,245/x
  3. Step 3: Cross multiply
    3,326.05x = 4,986.01 × 1,245
  4. Step 4: Simplify right side
    3,326.05x = 6,207,582.45
  5. Step 5: Solve for x
    x = 6,207,582.45/3,326.05
  6. Step 6: Final answer
    x = 1,866.35

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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.