Home / 3,040.89-4,192.59-2,480.79

Finding the Fourth Proportional to 3,040.89, 4,192.59 and 2,480.79

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Solution

The fourth proportional to 3,040.89, 4,192.59 and 2,480.79 is: 3,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.89 : 4,192.59 = 2,480.79 : x
  2. Step 2: Convert to fraction form
    3,040.89/4,192.59 = 2,480.79/x
  3. Step 3: Cross multiply
    3,040.89x = 4,192.59 × 2,480.79
  4. Step 4: Simplify right side
    3,040.89x = 10,400,935.35
  5. Step 5: Solve for x
    x = 10,400,935.35/3,040.89
  6. Step 6: Final answer
    x = 3,420.36

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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.