Home / 2,992.95-4,485.78-1,760.94

Finding the Fourth Proportional to 2,992.95, 4,485.78 and 1,760.94

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Solution

The fourth proportional to 2,992.95, 4,485.78 and 1,760.94 is: 2,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.95 : 4,485.78 = 1,760.94 : x
  2. Step 2: Convert to fraction form
    2,992.95/4,485.78 = 1,760.94/x
  3. Step 3: Cross multiply
    2,992.95x = 4,485.78 × 1,760.94
  4. Step 4: Simplify right side
    2,992.95x = 7,899,189.43
  5. Step 5: Solve for x
    x = 7,899,189.43/2,992.95
  6. Step 6: Final answer
    x = 2,639.27

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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.