Home / 2,992.28-4,128.51-1,796.94

Finding the Fourth Proportional to 2,992.28, 4,128.51 and 1,796.94

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Solution

The fourth proportional to 2,992.28, 4,128.51 and 1,796.94 is: 2,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.28 : 4,128.51 = 1,796.94 : x
  2. Step 2: Convert to fraction form
    2,992.28/4,128.51 = 1,796.94/x
  3. Step 3: Cross multiply
    2,992.28x = 4,128.51 × 1,796.94
  4. Step 4: Simplify right side
    2,992.28x = 7,418,684.76
  5. Step 5: Solve for x
    x = 7,418,684.76/2,992.28
  6. Step 6: Final answer
    x = 2,479.27

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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.