Home / 2,961.37-4,086.62-1,616.93

Finding the Fourth Proportional to 2,961.37, 4,086.62 and 1,616.93

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Solution

The fourth proportional to 2,961.37, 4,086.62 and 1,616.93 is: 2,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.37 : 4,086.62 = 1,616.93 : x
  2. Step 2: Convert to fraction form
    2,961.37/4,086.62 = 1,616.93/x
  3. Step 3: Cross multiply
    2,961.37x = 4,086.62 × 1,616.93
  4. Step 4: Simplify right side
    2,961.37x = 6,607,792.74
  5. Step 5: Solve for x
    x = 6,607,792.74/2,961.37
  6. Step 6: Final answer
    x = 2,231.33

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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.