Home / 2,730.74-3,771.48-1,845

Finding the Fourth Proportional to 2,730.74, 3,771.48 and 1,845

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Solution

The fourth proportional to 2,730.74, 3,771.48 and 1,845 is: 2,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.74 : 3,771.48 = 1,845 : x
  2. Step 2: Convert to fraction form
    2,730.74/3,771.48 = 1,845/x
  3. Step 3: Cross multiply
    2,730.74x = 3,771.48 × 1,845
  4. Step 4: Simplify right side
    2,730.74x = 6,958,380.60
  5. Step 5: Solve for x
    x = 6,958,380.60/2,730.74
  6. Step 6: Final answer
    x = 2,548.17

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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.