Home / 1,809.81-2,712.69-1,193.94

Finding the Fourth Proportional to 1,809.81, 2,712.69 and 1,193.94

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Solution

The fourth proportional to 1,809.81, 2,712.69 and 1,193.94 is: 1,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.81 : 2,712.69 = 1,193.94 : x
  2. Step 2: Convert to fraction form
    1,809.81/2,712.69 = 1,193.94/x
  3. Step 3: Cross multiply
    1,809.81x = 2,712.69 × 1,193.94
  4. Step 4: Simplify right side
    1,809.81x = 3,238,789.10
  5. Step 5: Solve for x
    x = 3,238,789.10/1,809.81
  6. Step 6: Final answer
    x = 1,789.57

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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.