Home / 3,120.69-4,306.97-1,794.52

Finding the Fourth Proportional to 3,120.69, 4,306.97 and 1,794.52

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Solution

The fourth proportional to 3,120.69, 4,306.97 and 1,794.52 is: 2,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.69 : 4,306.97 = 1,794.52 : x
  2. Step 2: Convert to fraction form
    3,120.69/4,306.97 = 1,794.52/x
  3. Step 3: Cross multiply
    3,120.69x = 4,306.97 × 1,794.52
  4. Step 4: Simplify right side
    3,120.69x = 7,728,953.67
  5. Step 5: Solve for x
    x = 7,728,953.67/3,120.69
  6. Step 6: Final answer
    x = 2,476.68

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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.