Home / 2,712.96-4,066.48-1,941.12

Finding the Fourth Proportional to 2,712.96, 4,066.48 and 1,941.12

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Solution

The fourth proportional to 2,712.96, 4,066.48 and 1,941.12 is: 2,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.96 : 4,066.48 = 1,941.12 : x
  2. Step 2: Convert to fraction form
    2,712.96/4,066.48 = 1,941.12/x
  3. Step 3: Cross multiply
    2,712.96x = 4,066.48 × 1,941.12
  4. Step 4: Simplify right side
    2,712.96x = 7,893,525.66
  5. Step 5: Solve for x
    x = 7,893,525.66/2,712.96
  6. Step 6: Final answer
    x = 2,909.56

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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.