Home / 2,810.52-4,186.32-2,668.36

Finding the Fourth Proportional to 2,810.52, 4,186.32 and 2,668.36

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Solution

The fourth proportional to 2,810.52, 4,186.32 and 2,668.36 is: 3,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.52 : 4,186.32 = 2,668.36 : x
  2. Step 2: Convert to fraction form
    2,810.52/4,186.32 = 2,668.36/x
  3. Step 3: Cross multiply
    2,810.52x = 4,186.32 × 2,668.36
  4. Step 4: Simplify right side
    2,810.52x = 11,170,608.84
  5. Step 5: Solve for x
    x = 11,170,608.84/2,810.52
  6. Step 6: Final answer
    x = 3,974.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.