Home / 2,743.56-3,785.46-1,666.81

Finding the Fourth Proportional to 2,743.56, 3,785.46 and 1,666.81

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Solution

The fourth proportional to 2,743.56, 3,785.46 and 1,666.81 is: 2,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.56 : 3,785.46 = 1,666.81 : x
  2. Step 2: Convert to fraction form
    2,743.56/3,785.46 = 1,666.81/x
  3. Step 3: Cross multiply
    2,743.56x = 3,785.46 × 1,666.81
  4. Step 4: Simplify right side
    2,743.56x = 6,309,643.88
  5. Step 5: Solve for x
    x = 6,309,643.88/2,743.56
  6. Step 6: Final answer
    x = 2,299.80

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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.