Home / 2,748.24-4,122.48-1,659.60

Finding the Fourth Proportional to 2,748.24, 4,122.48 and 1,659.60

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Solution

The fourth proportional to 2,748.24, 4,122.48 and 1,659.60 is: 2,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.24 : 4,122.48 = 1,659.60 : x
  2. Step 2: Convert to fraction form
    2,748.24/4,122.48 = 1,659.60/x
  3. Step 3: Cross multiply
    2,748.24x = 4,122.48 × 1,659.60
  4. Step 4: Simplify right side
    2,748.24x = 6,841,667.81
  5. Step 5: Solve for x
    x = 6,841,667.81/2,748.24
  6. Step 6: Final answer
    x = 2,489.47

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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.