Home / 3,680.22-5,516.94-1,339.67

Finding the Fourth Proportional to 3,680.22, 5,516.94 and 1,339.67

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Solution

The fourth proportional to 3,680.22, 5,516.94 and 1,339.67 is: 2,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.22 : 5,516.94 = 1,339.67 : x
  2. Step 2: Convert to fraction form
    3,680.22/5,516.94 = 1,339.67/x
  3. Step 3: Cross multiply
    3,680.22x = 5,516.94 × 1,339.67
  4. Step 4: Simplify right side
    3,680.22x = 7,390,851.43
  5. Step 5: Solve for x
    x = 7,390,851.43/3,680.22
  6. Step 6: Final answer
    x = 2,008.26

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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.