Home / 1,784.09-2,675.78-1,439.44

Finding the Fourth Proportional to 1,784.09, 2,675.78 and 1,439.44

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Solution

The fourth proportional to 1,784.09, 2,675.78 and 1,439.44 is: 2,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.09 : 2,675.78 = 1,439.44 : x
  2. Step 2: Convert to fraction form
    1,784.09/2,675.78 = 1,439.44/x
  3. Step 3: Cross multiply
    1,784.09x = 2,675.78 × 1,439.44
  4. Step 4: Simplify right side
    1,784.09x = 3,851,624.37
  5. Step 5: Solve for x
    x = 3,851,624.37/1,784.09
  6. Step 6: Final answer
    x = 2,158.87

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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.