Home / 2,883.44-4,321.92-1,240.76

Finding the Fourth Proportional to 2,883.44, 4,321.92 and 1,240.76

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Solution

The fourth proportional to 2,883.44, 4,321.92 and 1,240.76 is: 1,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.44 : 4,321.92 = 1,240.76 : x
  2. Step 2: Convert to fraction form
    2,883.44/4,321.92 = 1,240.76/x
  3. Step 3: Cross multiply
    2,883.44x = 4,321.92 × 1,240.76
  4. Step 4: Simplify right side
    2,883.44x = 5,362,465.46
  5. Step 5: Solve for x
    x = 5,362,465.46/2,883.44
  6. Step 6: Final answer
    x = 1,859.75

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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.