Home / 3,479.75-5,219.72-1,014.51

Finding the Fourth Proportional to 3,479.75, 5,219.72 and 1,014.51

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Solution

The fourth proportional to 3,479.75, 5,219.72 and 1,014.51 is: 1,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.75 : 5,219.72 = 1,014.51 : x
  2. Step 2: Convert to fraction form
    3,479.75/5,219.72 = 1,014.51/x
  3. Step 3: Cross multiply
    3,479.75x = 5,219.72 × 1,014.51
  4. Step 4: Simplify right side
    3,479.75x = 5,295,458.14
  5. Step 5: Solve for x
    x = 5,295,458.14/3,479.75
  6. Step 6: Final answer
    x = 1,521.79

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1.5x scale

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.