Home / 1,786.24-2,676.48-1,613.44

Finding the Fourth Proportional to 1,786.24, 2,676.48 and 1,613.44

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Solution

The fourth proportional to 1,786.24, 2,676.48 and 1,613.44 is: 2,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.24 : 2,676.48 = 1,613.44 : x
  2. Step 2: Convert to fraction form
    1,786.24/2,676.48 = 1,613.44/x
  3. Step 3: Cross multiply
    1,786.24x = 2,676.48 × 1,613.44
  4. Step 4: Simplify right side
    1,786.24x = 4,318,339.89
  5. Step 5: Solve for x
    x = 4,318,339.89/1,786.24
  6. Step 6: Final answer
    x = 2,417.56

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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.