Home / 1,979.37-2,729.30-1,480.41

Finding the Fourth Proportional to 1,979.37, 2,729.30 and 1,480.41

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Solution

The fourth proportional to 1,979.37, 2,729.30 and 1,480.41 is: 2,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.37 : 2,729.30 = 1,480.41 : x
  2. Step 2: Convert to fraction form
    1,979.37/2,729.30 = 1,480.41/x
  3. Step 3: Cross multiply
    1,979.37x = 2,729.30 × 1,480.41
  4. Step 4: Simplify right side
    1,979.37x = 4,040,475.61
  5. Step 5: Solve for x
    x = 4,040,475.61/1,979.37
  6. Step 6: Final answer
    x = 2,041.29

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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.