Home / 3,450.66-5,177.70-1,370.61

Finding the Fourth Proportional to 3,450.66, 5,177.70 and 1,370.61

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Solution

The fourth proportional to 3,450.66, 5,177.70 and 1,370.61 is: 2,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.66 : 5,177.70 = 1,370.61 : x
  2. Step 2: Convert to fraction form
    3,450.66/5,177.70 = 1,370.61/x
  3. Step 3: Cross multiply
    3,450.66x = 5,177.70 × 1,370.61
  4. Step 4: Simplify right side
    3,450.66x = 7,096,607.40
  5. Step 5: Solve for x
    x = 7,096,607.40/3,450.66
  6. Step 6: Final answer
    x = 2,056.59

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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.