Home / 3,317.22-4,576.68-2,039.76

Finding the Fourth Proportional to 3,317.22, 4,576.68 and 2,039.76

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Solution

The fourth proportional to 3,317.22, 4,576.68 and 2,039.76 is: 2,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.22 : 4,576.68 = 2,039.76 : x
  2. Step 2: Convert to fraction form
    3,317.22/4,576.68 = 2,039.76/x
  3. Step 3: Cross multiply
    3,317.22x = 4,576.68 × 2,039.76
  4. Step 4: Simplify right side
    3,317.22x = 9,335,328.80
  5. Step 5: Solve for x
    x = 9,335,328.80/3,317.22
  6. Step 6: Final answer
    x = 2,814.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.