Home / 3,036.20-4,554.30-2,109.80

Finding the Fourth Proportional to 3,036.20, 4,554.30 and 2,109.80

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Solution

The fourth proportional to 3,036.20, 4,554.30 and 2,109.80 is: 3,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.20 : 4,554.30 = 2,109.80 : x
  2. Step 2: Convert to fraction form
    3,036.20/4,554.30 = 2,109.80/x
  3. Step 3: Cross multiply
    3,036.20x = 4,554.30 × 2,109.80
  4. Step 4: Simplify right side
    3,036.20x = 9,608,662.14
  5. Step 5: Solve for x
    x = 9,608,662.14/3,036.20
  6. Step 6: Final answer
    x = 3,164.70

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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.