Home / 3,108.47-4,661.60-1,028.09

Finding the Fourth Proportional to 3,108.47, 4,661.60 and 1,028.09

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Solution

The fourth proportional to 3,108.47, 4,661.60 and 1,028.09 is: 1,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.47 : 4,661.60 = 1,028.09 : x
  2. Step 2: Convert to fraction form
    3,108.47/4,661.60 = 1,028.09/x
  3. Step 3: Cross multiply
    3,108.47x = 4,661.60 × 1,028.09
  4. Step 4: Simplify right side
    3,108.47x = 4,792,544.34
  5. Step 5: Solve for x
    x = 4,792,544.34/3,108.47
  6. Step 6: Final answer
    x = 1,541.77

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1.5x scale

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.