Home / 3,328.69-4,993.06-1,479.31

Finding the Fourth Proportional to 3,328.69, 4,993.06 and 1,479.31

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Solution

The fourth proportional to 3,328.69, 4,993.06 and 1,479.31 is: 2,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.69 : 4,993.06 = 1,479.31 : x
  2. Step 2: Convert to fraction form
    3,328.69/4,993.06 = 1,479.31/x
  3. Step 3: Cross multiply
    3,328.69x = 4,993.06 × 1,479.31
  4. Step 4: Simplify right side
    3,328.69x = 7,386,283.59
  5. Step 5: Solve for x
    x = 7,386,283.59/3,328.69
  6. Step 6: Final answer
    x = 2,218.98

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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.