Home / 2,823.64-3,896.75-1,704.55

Finding the Fourth Proportional to 2,823.64, 3,896.75 and 1,704.55

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Solution

The fourth proportional to 2,823.64, 3,896.75 and 1,704.55 is: 2,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.64 : 3,896.75 = 1,704.55 : x
  2. Step 2: Convert to fraction form
    2,823.64/3,896.75 = 1,704.55/x
  3. Step 3: Cross multiply
    2,823.64x = 3,896.75 × 1,704.55
  4. Step 4: Simplify right side
    2,823.64x = 6,642,205.21
  5. Step 5: Solve for x
    x = 6,642,205.21/2,823.64
  6. Step 6: Final answer
    x = 2,352.36

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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.