Home / 1,808.19-2,495.54-1,249.02

Finding the Fourth Proportional to 1,808.19, 2,495.54 and 1,249.02

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Solution

The fourth proportional to 1,808.19, 2,495.54 and 1,249.02 is: 1,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.19 : 2,495.54 = 1,249.02 : x
  2. Step 2: Convert to fraction form
    1,808.19/2,495.54 = 1,249.02/x
  3. Step 3: Cross multiply
    1,808.19x = 2,495.54 × 1,249.02
  4. Step 4: Simplify right side
    1,808.19x = 3,116,982.49
  5. Step 5: Solve for x
    x = 3,116,982.49/1,808.19
  6. Step 6: Final answer
    x = 1,723.81

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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.