Home / 4,072.29-6,105.66-1,605.84

Finding the Fourth Proportional to 4,072.29, 6,105.66 and 1,605.84

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Solution

The fourth proportional to 4,072.29, 6,105.66 and 1,605.84 is: 2,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.29 : 6,105.66 = 1,605.84 : x
  2. Step 2: Convert to fraction form
    4,072.29/6,105.66 = 1,605.84/x
  3. Step 3: Cross multiply
    4,072.29x = 6,105.66 × 1,605.84
  4. Step 4: Simplify right side
    4,072.29x = 9,804,713.05
  5. Step 5: Solve for x
    x = 9,804,713.05/4,072.29
  6. Step 6: Final answer
    x = 2,407.67

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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.