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Finding the Fourth Proportional to 3,339.58, 4,608.80 and 1,923.65

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Solution

The fourth proportional to 3,339.58, 4,608.80 and 1,923.65 is: 2,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.58 : 4,608.80 = 1,923.65 : x
  2. Step 2: Convert to fraction form
    3,339.58/4,608.80 = 1,923.65/x
  3. Step 3: Cross multiply
    3,339.58x = 4,608.80 × 1,923.65
  4. Step 4: Simplify right side
    3,339.58x = 8,865,709.95
  5. Step 5: Solve for x
    x = 8,865,709.95/3,339.58
  6. Step 6: Final answer
    x = 2,654.74

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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.