Home / 2,794.96-4,192.45-1,329.68

Finding the Fourth Proportional to 2,794.96, 4,192.45 and 1,329.68

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Solution

The fourth proportional to 2,794.96, 4,192.45 and 1,329.68 is: 1,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.96 : 4,192.45 = 1,329.68 : x
  2. Step 2: Convert to fraction form
    2,794.96/4,192.45 = 1,329.68/x
  3. Step 3: Cross multiply
    2,794.96x = 4,192.45 × 1,329.68
  4. Step 4: Simplify right side
    2,794.96x = 5,574,616.92
  5. Step 5: Solve for x
    x = 5,574,616.92/2,794.96
  6. Step 6: Final answer
    x = 1,994.52

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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.