Home / 1,784.36-2,676.60-1,439.72

Finding the Fourth Proportional to 1,784.36, 2,676.60 and 1,439.72

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Solution

The fourth proportional to 1,784.36, 2,676.60 and 1,439.72 is: 2,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.36 : 2,676.60 = 1,439.72 : x
  2. Step 2: Convert to fraction form
    1,784.36/2,676.60 = 1,439.72/x
  3. Step 3: Cross multiply
    1,784.36x = 2,676.60 × 1,439.72
  4. Step 4: Simplify right side
    1,784.36x = 3,853,554.55
  5. Step 5: Solve for x
    x = 3,853,554.55/1,784.36
  6. Step 6: Final answer
    x = 2,159.63

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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.