Home / 3,328.88-4,993.34-1,479.56

Finding the Fourth Proportional to 3,328.88, 4,993.34 and 1,479.56

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Solution

The fourth proportional to 3,328.88, 4,993.34 and 1,479.56 is: 2,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.88 : 4,993.34 = 1,479.56 : x
  2. Step 2: Convert to fraction form
    3,328.88/4,993.34 = 1,479.56/x
  3. Step 3: Cross multiply
    3,328.88x = 4,993.34 × 1,479.56
  4. Step 4: Simplify right side
    3,328.88x = 7,387,946.13
  5. Step 5: Solve for x
    x = 7,387,946.13/3,328.88
  6. Step 6: Final answer
    x = 2,219.35

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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.