Home / 3,664.62-5,061.60-2,668.32

Finding the Fourth Proportional to 3,664.62, 5,061.60 and 2,668.32

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Solution

The fourth proportional to 3,664.62, 5,061.60 and 2,668.32 is: 3,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.62 : 5,061.60 = 2,668.32 : x
  2. Step 2: Convert to fraction form
    3,664.62/5,061.60 = 2,668.32/x
  3. Step 3: Cross multiply
    3,664.62x = 5,061.60 × 2,668.32
  4. Step 4: Simplify right side
    3,664.62x = 13,505,968.51
  5. Step 5: Solve for x
    x = 13,505,968.51/3,664.62
  6. Step 6: Final answer
    x = 3,685.50

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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.