Home / 1,676.20-2,515.26-1,236.52

Finding the Fourth Proportional to 1,676.20, 2,515.26 and 1,236.52

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Solution

The fourth proportional to 1,676.20, 2,515.26 and 1,236.52 is: 1,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.20 : 2,515.26 = 1,236.52 : x
  2. Step 2: Convert to fraction form
    1,676.20/2,515.26 = 1,236.52/x
  3. Step 3: Cross multiply
    1,676.20x = 2,515.26 × 1,236.52
  4. Step 4: Simplify right side
    1,676.20x = 3,110,169.30
  5. Step 5: Solve for x
    x = 3,110,169.30/1,676.20
  6. Step 6: Final answer
    x = 1,855.49

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1.5x scale

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.