Home / 2,743.60-3,786.44-1,624.90

Finding the Fourth Proportional to 2,743.60, 3,786.44 and 1,624.90

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Solution

The fourth proportional to 2,743.60, 3,786.44 and 1,624.90 is: 2,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.60 : 3,786.44 = 1,624.90 : x
  2. Step 2: Convert to fraction form
    2,743.60/3,786.44 = 1,624.90/x
  3. Step 3: Cross multiply
    2,743.60x = 3,786.44 × 1,624.90
  4. Step 4: Simplify right side
    2,743.60x = 6,152,586.36
  5. Step 5: Solve for x
    x = 6,152,586.36/2,743.60
  6. Step 6: Final answer
    x = 2,242.52

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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.