Home / 3,325.29-4,988.79-1,245.33

Finding the Fourth Proportional to 3,325.29, 4,988.79 and 1,245.33

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Solution

The fourth proportional to 3,325.29, 4,988.79 and 1,245.33 is: 1,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.29 : 4,988.79 = 1,245.33 : x
  2. Step 2: Convert to fraction form
    3,325.29/4,988.79 = 1,245.33/x
  3. Step 3: Cross multiply
    3,325.29x = 4,988.79 × 1,245.33
  4. Step 4: Simplify right side
    3,325.29x = 6,212,664.91
  5. Step 5: Solve for x
    x = 6,212,664.91/3,325.29
  6. Step 6: Final answer
    x = 1,868.31

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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.