Home / 3,328.76-4,993.16-1,479.38

Finding the Fourth Proportional to 3,328.76, 4,993.16 and 1,479.38

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Solution

The fourth proportional to 3,328.76, 4,993.16 and 1,479.38 is: 2,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.76 : 4,993.16 = 1,479.38 : x
  2. Step 2: Convert to fraction form
    3,328.76/4,993.16 = 1,479.38/x
  3. Step 3: Cross multiply
    3,328.76x = 4,993.16 × 1,479.38
  4. Step 4: Simplify right side
    3,328.76x = 7,386,748.68
  5. Step 5: Solve for x
    x = 7,386,748.68/3,328.76
  6. Step 6: Final answer
    x = 2,219.07

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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.