Home / 3,208.72-4,428.96-1,882.48

Finding the Fourth Proportional to 3,208.72, 4,428.96 and 1,882.48

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Solution

The fourth proportional to 3,208.72, 4,428.96 and 1,882.48 is: 2,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.72 : 4,428.96 = 1,882.48 : x
  2. Step 2: Convert to fraction form
    3,208.72/4,428.96 = 1,882.48/x
  3. Step 3: Cross multiply
    3,208.72x = 4,428.96 × 1,882.48
  4. Step 4: Simplify right side
    3,208.72x = 8,337,428.62
  5. Step 5: Solve for x
    x = 8,337,428.62/3,208.72
  6. Step 6: Final answer
    x = 2,598.37

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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.