Home / 4,212.58-6,315.75-2,019.22

Finding the Fourth Proportional to 4,212.58, 6,315.75 and 2,019.22

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Solution

The fourth proportional to 4,212.58, 6,315.75 and 2,019.22 is: 3,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.58 : 6,315.75 = 2,019.22 : x
  2. Step 2: Convert to fraction form
    4,212.58/6,315.75 = 2,019.22/x
  3. Step 3: Cross multiply
    4,212.58x = 6,315.75 × 2,019.22
  4. Step 4: Simplify right side
    4,212.58x = 12,752,888.72
  5. Step 5: Solve for x
    x = 12,752,888.72/4,212.58
  6. Step 6: Final answer
    x = 3,027.33

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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.