Home / 3,665.17-5,051.32-2,668.87

Finding the Fourth Proportional to 3,665.17, 5,051.32 and 2,668.87

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Solution

The fourth proportional to 3,665.17, 5,051.32 and 2,668.87 is: 3,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.17 : 5,051.32 = 2,668.87 : x
  2. Step 2: Convert to fraction form
    3,665.17/5,051.32 = 2,668.87/x
  3. Step 3: Cross multiply
    3,665.17x = 5,051.32 × 2,668.87
  4. Step 4: Simplify right side
    3,665.17x = 13,481,316.41
  5. Step 5: Solve for x
    x = 13,481,316.41/3,665.17
  6. Step 6: Final answer
    x = 3,678.22

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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.