Home / 2,749.59-4,125.80-1,825.79

Finding the Fourth Proportional to 2,749.59, 4,125.80 and 1,825.79

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Solution

The fourth proportional to 2,749.59, 4,125.80 and 1,825.79 is: 2,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.59 : 4,125.80 = 1,825.79 : x
  2. Step 2: Convert to fraction form
    2,749.59/4,125.80 = 1,825.79/x
  3. Step 3: Cross multiply
    2,749.59x = 4,125.80 × 1,825.79
  4. Step 4: Simplify right side
    2,749.59x = 7,532,828.32
  5. Step 5: Solve for x
    x = 7,532,828.32/2,749.59
  6. Step 6: Final answer
    x = 2,739.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.