Home / 3,558.06-5,334.78-1,479.51

Finding the Fourth Proportional to 3,558.06, 5,334.78 and 1,479.51

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Solution

The fourth proportional to 3,558.06, 5,334.78 and 1,479.51 is: 2,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.06 : 5,334.78 = 1,479.51 : x
  2. Step 2: Convert to fraction form
    3,558.06/5,334.78 = 1,479.51/x
  3. Step 3: Cross multiply
    3,558.06x = 5,334.78 × 1,479.51
  4. Step 4: Simplify right side
    3,558.06x = 7,892,860.36
  5. Step 5: Solve for x
    x = 7,892,860.36/3,558.06
  6. Step 6: Final answer
    x = 2,218.30

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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.