Home / 3,334.15-4,979.75-3,021.15

Finding the Fourth Proportional to 3,334.15, 4,979.75 and 3,021.15

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Solution

The fourth proportional to 3,334.15, 4,979.75 and 3,021.15 is: 4,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.15 : 4,979.75 = 3,021.15 : x
  2. Step 2: Convert to fraction form
    3,334.15/4,979.75 = 3,021.15/x
  3. Step 3: Cross multiply
    3,334.15x = 4,979.75 × 3,021.15
  4. Step 4: Simplify right side
    3,334.15x = 15,044,571.71
  5. Step 5: Solve for x
    x = 15,044,571.71/3,334.15
  6. Step 6: Final answer
    x = 4,512.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.