Home / 2,676.14-3,689.70-1,730.33

Finding the Fourth Proportional to 2,676.14, 3,689.70 and 1,730.33

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Solution

The fourth proportional to 2,676.14, 3,689.70 and 1,730.33 is: 2,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.14 : 3,689.70 = 1,730.33 : x
  2. Step 2: Convert to fraction form
    2,676.14/3,689.70 = 1,730.33/x
  3. Step 3: Cross multiply
    2,676.14x = 3,689.70 × 1,730.33
  4. Step 4: Simplify right side
    2,676.14x = 6,384,398.60
  5. Step 5: Solve for x
    x = 6,384,398.60/2,676.14
  6. Step 6: Final answer
    x = 2,385.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.