Home / 3,089.80-4,260.58-2,205.24

Finding the Fourth Proportional to 3,089.80, 4,260.58 and 2,205.24

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Solution

The fourth proportional to 3,089.80, 4,260.58 and 2,205.24 is: 3,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.80 : 4,260.58 = 2,205.24 : x
  2. Step 2: Convert to fraction form
    3,089.80/4,260.58 = 2,205.24/x
  3. Step 3: Cross multiply
    3,089.80x = 4,260.58 × 2,205.24
  4. Step 4: Simplify right side
    3,089.80x = 9,395,601.44
  5. Step 5: Solve for x
    x = 9,395,601.44/3,089.80
  6. Step 6: Final answer
    x = 3,040.84

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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.