Home / 2,790.33-3,851.46-2,234.67

Finding the Fourth Proportional to 2,790.33, 3,851.46 and 2,234.67

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Solution

The fourth proportional to 2,790.33, 3,851.46 and 2,234.67 is: 3,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.33 : 3,851.46 = 2,234.67 : x
  2. Step 2: Convert to fraction form
    2,790.33/3,851.46 = 2,234.67/x
  3. Step 3: Cross multiply
    2,790.33x = 3,851.46 × 2,234.67
  4. Step 4: Simplify right side
    2,790.33x = 8,606,742.12
  5. Step 5: Solve for x
    x = 8,606,742.12/2,790.33
  6. Step 6: Final answer
    x = 3,084.49

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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.