Home / 3,808.06-5,261.97-2,970.88

Finding the Fourth Proportional to 3,808.06, 5,261.97 and 2,970.88

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Solution

The fourth proportional to 3,808.06, 5,261.97 and 2,970.88 is: 4,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.06 : 5,261.97 = 2,970.88 : x
  2. Step 2: Convert to fraction form
    3,808.06/5,261.97 = 2,970.88/x
  3. Step 3: Cross multiply
    3,808.06x = 5,261.97 × 2,970.88
  4. Step 4: Simplify right side
    3,808.06x = 15,632,681.43
  5. Step 5: Solve for x
    x = 15,632,681.43/3,808.06
  6. Step 6: Final answer
    x = 4,105.16

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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.