Home / 3,676.37-5,512.59-1,210.86

Finding the Fourth Proportional to 3,676.37, 5,512.59 and 1,210.86

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Solution

The fourth proportional to 3,676.37, 5,512.59 and 1,210.86 is: 1,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.37 : 5,512.59 = 1,210.86 : x
  2. Step 2: Convert to fraction form
    3,676.37/5,512.59 = 1,210.86/x
  3. Step 3: Cross multiply
    3,676.37x = 5,512.59 × 1,210.86
  4. Step 4: Simplify right side
    3,676.37x = 6,674,974.73
  5. Step 5: Solve for x
    x = 6,674,974.73/3,676.37
  6. Step 6: Final answer
    x = 1,815.65

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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.