Home / 4,212.42-6,319.97-2,021.30

Finding the Fourth Proportional to 4,212.42, 6,319.97 and 2,021.30

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Solution

The fourth proportional to 4,212.42, 6,319.97 and 2,021.30 is: 3,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.42 : 6,319.97 = 2,021.30 : x
  2. Step 2: Convert to fraction form
    4,212.42/6,319.97 = 2,021.30/x
  3. Step 3: Cross multiply
    4,212.42x = 6,319.97 × 2,021.30
  4. Step 4: Simplify right side
    4,212.42x = 12,774,555.36
  5. Step 5: Solve for x
    x = 12,774,555.36/4,212.42
  6. Step 6: Final answer
    x = 3,032.59

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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.