Home / 2,823.71-3,896.93-1,704.92

Finding the Fourth Proportional to 2,823.71, 3,896.93 and 1,704.92

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Solution

The fourth proportional to 2,823.71, 3,896.93 and 1,704.92 is: 2,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.71 : 3,896.93 = 1,704.92 : x
  2. Step 2: Convert to fraction form
    2,823.71/3,896.93 = 1,704.92/x
  3. Step 3: Cross multiply
    2,823.71x = 3,896.93 × 1,704.92
  4. Step 4: Simplify right side
    2,823.71x = 6,643,945.37
  5. Step 5: Solve for x
    x = 6,643,945.37/2,823.71
  6. Step 6: Final answer
    x = 2,352.91

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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.