Home / 2,750.43-3,795.46-1,555.62

Finding the Fourth Proportional to 2,750.43, 3,795.46 and 1,555.62

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Solution

The fourth proportional to 2,750.43, 3,795.46 and 1,555.62 is: 2,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.43 : 3,795.46 = 1,555.62 : x
  2. Step 2: Convert to fraction form
    2,750.43/3,795.46 = 1,555.62/x
  3. Step 3: Cross multiply
    2,750.43x = 3,795.46 × 1,555.62
  4. Step 4: Simplify right side
    2,750.43x = 5,904,293.49
  5. Step 5: Solve for x
    x = 5,904,293.49/2,750.43
  6. Step 6: Final answer
    x = 2,146.68

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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.