Home / 2,823.45-3,895.86-1,760.88

Finding the Fourth Proportional to 2,823.45, 3,895.86 and 1,760.88

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Solution

The fourth proportional to 2,823.45, 3,895.86 and 1,760.88 is: 2,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.45 : 3,895.86 = 1,760.88 : x
  2. Step 2: Convert to fraction form
    2,823.45/3,895.86 = 1,760.88/x
  3. Step 3: Cross multiply
    2,823.45x = 3,895.86 × 1,760.88
  4. Step 4: Simplify right side
    2,823.45x = 6,860,163.17
  5. Step 5: Solve for x
    x = 6,860,163.17/2,823.45
  6. Step 6: Final answer
    x = 2,429.71

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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.