Home / 2,845.44-3,926.66-1,666.31

Finding the Fourth Proportional to 2,845.44, 3,926.66 and 1,666.31

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Solution

The fourth proportional to 2,845.44, 3,926.66 and 1,666.31 is: 2,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.44 : 3,926.66 = 1,666.31 : x
  2. Step 2: Convert to fraction form
    2,845.44/3,926.66 = 1,666.31/x
  3. Step 3: Cross multiply
    2,845.44x = 3,926.66 × 1,666.31
  4. Step 4: Simplify right side
    2,845.44x = 6,543,004.86
  5. Step 5: Solve for x
    x = 6,543,004.86/2,845.44
  6. Step 6: Final answer
    x = 2,299.47

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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.