Home / 3,319.31-4,580.53-1,992.23

Finding the Fourth Proportional to 3,319.31, 4,580.53 and 1,992.23

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Solution

The fourth proportional to 3,319.31, 4,580.53 and 1,992.23 is: 2,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.31 : 4,580.53 = 1,992.23 : x
  2. Step 2: Convert to fraction form
    3,319.31/4,580.53 = 1,992.23/x
  3. Step 3: Cross multiply
    3,319.31x = 4,580.53 × 1,992.23
  4. Step 4: Simplify right side
    3,319.31x = 9,125,469.28
  5. Step 5: Solve for x
    x = 9,125,469.28/3,319.31
  6. Step 6: Final answer
    x = 2,749.21

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1.5x scale

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.