Home / 2,723.36-4,085.76-1,976.56

Finding the Fourth Proportional to 2,723.36, 4,085.76 and 1,976.56

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Solution

The fourth proportional to 2,723.36, 4,085.76 and 1,976.56 is: 2,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.36 : 4,085.76 = 1,976.56 : x
  2. Step 2: Convert to fraction form
    2,723.36/4,085.76 = 1,976.56/x
  3. Step 3: Cross multiply
    2,723.36x = 4,085.76 × 1,976.56
  4. Step 4: Simplify right side
    2,723.36x = 8,075,749.79
  5. Step 5: Solve for x
    x = 8,075,749.79/2,723.36
  6. Step 6: Final answer
    x = 2,965.36

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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.