Home / 3,080.16-4,615.92-2,212.56

Finding the Fourth Proportional to 3,080.16, 4,615.92 and 2,212.56

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Solution

The fourth proportional to 3,080.16, 4,615.92 and 2,212.56 is: 3,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.16 : 4,615.92 = 2,212.56 : x
  2. Step 2: Convert to fraction form
    3,080.16/4,615.92 = 2,212.56/x
  3. Step 3: Cross multiply
    3,080.16x = 4,615.92 × 2,212.56
  4. Step 4: Simplify right side
    3,080.16x = 10,212,999.96
  5. Step 5: Solve for x
    x = 10,212,999.96/3,080.16
  6. Step 6: Final answer
    x = 3,315.74

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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.