Home / 2,927.27-4,039.73-1,808.18

Finding the Fourth Proportional to 2,927.27, 4,039.73 and 1,808.18

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Solution

The fourth proportional to 2,927.27, 4,039.73 and 1,808.18 is: 2,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.27 : 4,039.73 = 1,808.18 : x
  2. Step 2: Convert to fraction form
    2,927.27/4,039.73 = 1,808.18/x
  3. Step 3: Cross multiply
    2,927.27x = 4,039.73 × 1,808.18
  4. Step 4: Simplify right side
    2,927.27x = 7,304,529.75
  5. Step 5: Solve for x
    x = 7,304,529.75/2,927.27
  6. Step 6: Final answer
    x = 2,495.34

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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.