Home / 3,450.56-4,761.79-1,878.67

Finding the Fourth Proportional to 3,450.56, 4,761.79 and 1,878.67

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Solution

The fourth proportional to 3,450.56, 4,761.79 and 1,878.67 is: 2,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.56 : 4,761.79 = 1,878.67 : x
  2. Step 2: Convert to fraction form
    3,450.56/4,761.79 = 1,878.67/x
  3. Step 3: Cross multiply
    3,450.56x = 4,761.79 × 1,878.67
  4. Step 4: Simplify right side
    3,450.56x = 8,945,815.42
  5. Step 5: Solve for x
    x = 8,945,815.42/3,450.56
  6. Step 6: Final answer
    x = 2,592.57

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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.