Home / 2,927.43-4,039.57-1,668.39

Finding the Fourth Proportional to 2,927.43, 4,039.57 and 1,668.39

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Solution

The fourth proportional to 2,927.43, 4,039.57 and 1,668.39 is: 2,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.43 : 4,039.57 = 1,668.39 : x
  2. Step 2: Convert to fraction form
    2,927.43/4,039.57 = 1,668.39/x
  3. Step 3: Cross multiply
    2,927.43x = 4,039.57 × 1,668.39
  4. Step 4: Simplify right side
    2,927.43x = 6,739,578.19
  5. Step 5: Solve for x
    x = 6,739,578.19/2,927.43
  6. Step 6: Final answer
    x = 2,302.22

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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.