Home / 3,203.30-4,420.56-1,876.74

Finding the Fourth Proportional to 3,203.30, 4,420.56 and 1,876.74

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Solution

The fourth proportional to 3,203.30, 4,420.56 and 1,876.74 is: 2,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.30 : 4,420.56 = 1,876.74 : x
  2. Step 2: Convert to fraction form
    3,203.30/4,420.56 = 1,876.74/x
  3. Step 3: Cross multiply
    3,203.30x = 4,420.56 × 1,876.74
  4. Step 4: Simplify right side
    3,203.30x = 8,296,241.77
  5. Step 5: Solve for x
    x = 8,296,241.77/3,203.30
  6. Step 6: Final answer
    x = 2,589.90

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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.