Home / 2,665.09-3,676.62-1,669.87

Finding the Fourth Proportional to 2,665.09, 3,676.62 and 1,669.87

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Solution

The fourth proportional to 2,665.09, 3,676.62 and 1,669.87 is: 2,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.09 : 3,676.62 = 1,669.87 : x
  2. Step 2: Convert to fraction form
    2,665.09/3,676.62 = 1,669.87/x
  3. Step 3: Cross multiply
    2,665.09x = 3,676.62 × 1,669.87
  4. Step 4: Simplify right side
    2,665.09x = 6,139,477.44
  5. Step 5: Solve for x
    x = 6,139,477.44/2,665.09
  6. Step 6: Final answer
    x = 2,303.67

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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.