Home / 3,283.07-4,920.45-1,433.69

Finding the Fourth Proportional to 3,283.07, 4,920.45 and 1,433.69

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Solution

The fourth proportional to 3,283.07, 4,920.45 and 1,433.69 is: 2,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.07 : 4,920.45 = 1,433.69 : x
  2. Step 2: Convert to fraction form
    3,283.07/4,920.45 = 1,433.69/x
  3. Step 3: Cross multiply
    3,283.07x = 4,920.45 × 1,433.69
  4. Step 4: Simplify right side
    3,283.07x = 7,054,399.96
  5. Step 5: Solve for x
    x = 7,054,399.96/3,283.07
  6. Step 6: Final answer
    x = 2,148.72

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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.