Home / 3,057.34-4,217.25-2,665.30

Finding the Fourth Proportional to 3,057.34, 4,217.25 and 2,665.30

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Solution

The fourth proportional to 3,057.34, 4,217.25 and 2,665.30 is: 3,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.34 : 4,217.25 = 2,665.30 : x
  2. Step 2: Convert to fraction form
    3,057.34/4,217.25 = 2,665.30/x
  3. Step 3: Cross multiply
    3,057.34x = 4,217.25 × 2,665.30
  4. Step 4: Simplify right side
    3,057.34x = 11,240,236.43
  5. Step 5: Solve for x
    x = 11,240,236.43/3,057.34
  6. Step 6: Final answer
    x = 3,676.48

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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.