Home / 3,261.80-4,881.72-2,992.04

Finding the Fourth Proportional to 3,261.80, 4,881.72 and 2,992.04

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Solution

The fourth proportional to 3,261.80, 4,881.72 and 2,992.04 is: 4,477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.80 : 4,881.72 = 2,992.04 : x
  2. Step 2: Convert to fraction form
    3,261.80/4,881.72 = 2,992.04/x
  3. Step 3: Cross multiply
    3,261.80x = 4,881.72 × 2,992.04
  4. Step 4: Simplify right side
    3,261.80x = 14,606,301.51
  5. Step 5: Solve for x
    x = 14,606,301.51/3,261.80
  6. Step 6: Final answer
    x = 4,477.99

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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.