Home / 3,203.36-4,420.30-1,876.82

Finding the Fourth Proportional to 3,203.36, 4,420.30 and 1,876.82

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Solution

The fourth proportional to 3,203.36, 4,420.30 and 1,876.82 is: 2,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.36 : 4,420.30 = 1,876.82 : x
  2. Step 2: Convert to fraction form
    3,203.36/4,420.30 = 1,876.82/x
  3. Step 3: Cross multiply
    3,203.36x = 4,420.30 × 1,876.82
  4. Step 4: Simplify right side
    3,203.36x = 8,296,090.87
  5. Step 5: Solve for x
    x = 8,296,090.87/3,203.36
  6. Step 6: Final answer
    x = 2,589.81

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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.