Home / 3,208.48-4,427.72-1,882.21

Finding the Fourth Proportional to 3,208.48, 4,427.72 and 1,882.21

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Solution

The fourth proportional to 3,208.48, 4,427.72 and 1,882.21 is: 2,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.48 : 4,427.72 = 1,882.21 : x
  2. Step 2: Convert to fraction form
    3,208.48/4,427.72 = 1,882.21/x
  3. Step 3: Cross multiply
    3,208.48x = 4,427.72 × 1,882.21
  4. Step 4: Simplify right side
    3,208.48x = 8,333,898.86
  5. Step 5: Solve for x
    x = 8,333,898.86/3,208.48
  6. Step 6: Final answer
    x = 2,597.46

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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.