Home / 1,789.64-2,682.46-1,304.84

Finding the Fourth Proportional to 1,789.64, 2,682.46 and 1,304.84

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Solution

The fourth proportional to 1,789.64, 2,682.46 and 1,304.84 is: 1,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.64 : 2,682.46 = 1,304.84 : x
  2. Step 2: Convert to fraction form
    1,789.64/2,682.46 = 1,304.84/x
  3. Step 3: Cross multiply
    1,789.64x = 2,682.46 × 1,304.84
  4. Step 4: Simplify right side
    1,789.64x = 3,500,181.11
  5. Step 5: Solve for x
    x = 3,500,181.11/1,789.64
  6. Step 6: Final answer
    x = 1,955.80

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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.