Home / 3,074.41-4,608.50-1,320.56

Finding the Fourth Proportional to 3,074.41, 4,608.50 and 1,320.56

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Solution

The fourth proportional to 3,074.41, 4,608.50 and 1,320.56 is: 1,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.41 : 4,608.50 = 1,320.56 : x
  2. Step 2: Convert to fraction form
    3,074.41/4,608.50 = 1,320.56/x
  3. Step 3: Cross multiply
    3,074.41x = 4,608.50 × 1,320.56
  4. Step 4: Simplify right side
    3,074.41x = 6,085,771.11
  5. Step 5: Solve for x
    x = 6,085,771.11/3,074.41
  6. Step 6: Final answer
    x = 1,979.49

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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.