Home / 3,202.08-4,420.07-1,876.21

Finding the Fourth Proportional to 3,202.08, 4,420.07 and 1,876.21

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Solution

The fourth proportional to 3,202.08, 4,420.07 and 1,876.21 is: 2,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.08 : 4,420.07 = 1,876.21 : x
  2. Step 2: Convert to fraction form
    3,202.08/4,420.07 = 1,876.21/x
  3. Step 3: Cross multiply
    3,202.08x = 4,420.07 × 1,876.21
  4. Step 4: Simplify right side
    3,202.08x = 8,292,966.14
  5. Step 5: Solve for x
    x = 8,292,966.14/3,202.08
  6. Step 6: Final answer
    x = 2,589.87

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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.