Home / 3,576.22-4,930.62-2,315.05

Finding the Fourth Proportional to 3,576.22, 4,930.62 and 2,315.05

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Solution

The fourth proportional to 3,576.22, 4,930.62 and 2,315.05 is: 3,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.22 : 4,930.62 = 2,315.05 : x
  2. Step 2: Convert to fraction form
    3,576.22/4,930.62 = 2,315.05/x
  3. Step 3: Cross multiply
    3,576.22x = 4,930.62 × 2,315.05
  4. Step 4: Simplify right side
    3,576.22x = 11,414,631.83
  5. Step 5: Solve for x
    x = 11,414,631.83/3,576.22
  6. Step 6: Final answer
    x = 3,191.81

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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.