Home / 3,185.32-4,780.68-1,725.72

Finding the Fourth Proportional to 3,185.32, 4,780.68 and 1,725.72

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Solution

The fourth proportional to 3,185.32, 4,780.68 and 1,725.72 is: 2,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.32 : 4,780.68 = 1,725.72 : x
  2. Step 2: Convert to fraction form
    3,185.32/4,780.68 = 1,725.72/x
  3. Step 3: Cross multiply
    3,185.32x = 4,780.68 × 1,725.72
  4. Step 4: Simplify right side
    3,185.32x = 8,250,115.09
  5. Step 5: Solve for x
    x = 8,250,115.09/3,185.32
  6. Step 6: Final answer
    x = 2,590.04

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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.