Home / 2,923.91-4,034.83-1,728.95

Finding the Fourth Proportional to 2,923.91, 4,034.83 and 1,728.95

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Solution

The fourth proportional to 2,923.91, 4,034.83 and 1,728.95 is: 2,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.91 : 4,034.83 = 1,728.95 : x
  2. Step 2: Convert to fraction form
    2,923.91/4,034.83 = 1,728.95/x
  3. Step 3: Cross multiply
    2,923.91x = 4,034.83 × 1,728.95
  4. Step 4: Simplify right side
    2,923.91x = 6,976,019.33
  5. Step 5: Solve for x
    x = 6,976,019.33/2,923.91
  6. Step 6: Final answer
    x = 2,385.85

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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.