Home / 2,733.20-3,771.73-1,554.65

Finding the Fourth Proportional to 2,733.20, 3,771.73 and 1,554.65

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Solution

The fourth proportional to 2,733.20, 3,771.73 and 1,554.65 is: 2,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.20 : 3,771.73 = 1,554.65 : x
  2. Step 2: Convert to fraction form
    2,733.20/3,771.73 = 1,554.65/x
  3. Step 3: Cross multiply
    2,733.20x = 3,771.73 × 1,554.65
  4. Step 4: Simplify right side
    2,733.20x = 5,863,720.04
  5. Step 5: Solve for x
    x = 5,863,720.04/2,733.20
  6. Step 6: Final answer
    x = 2,145.37

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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.