Home / 2,723.72-4,085.57-1,903.59

Finding the Fourth Proportional to 2,723.72, 4,085.57 and 1,903.59

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Solution

The fourth proportional to 2,723.72, 4,085.57 and 1,903.59 is: 2,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.72 : 4,085.57 = 1,903.59 : x
  2. Step 2: Convert to fraction form
    2,723.72/4,085.57 = 1,903.59/x
  3. Step 3: Cross multiply
    2,723.72x = 4,085.57 × 1,903.59
  4. Step 4: Simplify right side
    2,723.72x = 7,777,240.68
  5. Step 5: Solve for x
    x = 7,777,240.68/2,723.72
  6. Step 6: Final answer
    x = 2,855.38

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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.