Home / 2,723.66-4,085.21-1,262.81

Finding the Fourth Proportional to 2,723.66, 4,085.21 and 1,262.81

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Solution

The fourth proportional to 2,723.66, 4,085.21 and 1,262.81 is: 1,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.66 : 4,085.21 = 1,262.81 : x
  2. Step 2: Convert to fraction form
    2,723.66/4,085.21 = 1,262.81/x
  3. Step 3: Cross multiply
    2,723.66x = 4,085.21 × 1,262.81
  4. Step 4: Simplify right side
    2,723.66x = 5,158,817.30
  5. Step 5: Solve for x
    x = 5,158,817.30/2,723.66
  6. Step 6: Final answer
    x = 1,894.08

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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.