Home / 2,927.44-4,039.17-1,668.20

Finding the Fourth Proportional to 2,927.44, 4,039.17 and 1,668.20

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Solution

The fourth proportional to 2,927.44, 4,039.17 and 1,668.20 is: 2,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.44 : 4,039.17 = 1,668.20 : x
  2. Step 2: Convert to fraction form
    2,927.44/4,039.17 = 1,668.20/x
  3. Step 3: Cross multiply
    2,927.44x = 4,039.17 × 1,668.20
  4. Step 4: Simplify right side
    2,927.44x = 6,738,116.94
  5. Step 5: Solve for x
    x = 6,738,116.94/2,927.44
  6. Step 6: Final answer
    x = 2,301.71

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1.5x scale

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.