Home / 2,927.05-4,039.61-1,668.41

Finding the Fourth Proportional to 2,927.05, 4,039.61 and 1,668.41

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Solution

The fourth proportional to 2,927.05, 4,039.61 and 1,668.41 is: 2,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.05 : 4,039.61 = 1,668.41 : x
  2. Step 2: Convert to fraction form
    2,927.05/4,039.61 = 1,668.41/x
  3. Step 3: Cross multiply
    2,927.05x = 4,039.61 × 1,668.41
  4. Step 4: Simplify right side
    2,927.05x = 6,739,712.33
  5. Step 5: Solve for x
    x = 6,739,712.33/2,927.05
  6. Step 6: Final answer
    x = 2,302.56

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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.