Home / 2,792.62-3,853.90-1,597.80

Finding the Fourth Proportional to 2,792.62, 3,853.90 and 1,597.80

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Solution

The fourth proportional to 2,792.62, 3,853.90 and 1,597.80 is: 2,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.62 : 3,853.90 = 1,597.80 : x
  2. Step 2: Convert to fraction form
    2,792.62/3,853.90 = 1,597.80/x
  3. Step 3: Cross multiply
    2,792.62x = 3,853.90 × 1,597.80
  4. Step 4: Simplify right side
    2,792.62x = 6,157,760.68
  5. Step 5: Solve for x
    x = 6,157,760.68/2,792.62
  6. Step 6: Final answer
    x = 2,205.02

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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.