Home / 3,203.37-4,420.79-1,876.89

Finding the Fourth Proportional to 3,203.37, 4,420.79 and 1,876.89

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Solution

The fourth proportional to 3,203.37, 4,420.79 and 1,876.89 is: 2,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.37 : 4,420.79 = 1,876.89 : x
  2. Step 2: Convert to fraction form
    3,203.37/4,420.79 = 1,876.89/x
  3. Step 3: Cross multiply
    3,203.37x = 4,420.79 × 1,876.89
  4. Step 4: Simplify right side
    3,203.37x = 8,297,327.16
  5. Step 5: Solve for x
    x = 8,297,327.16/3,203.37
  6. Step 6: Final answer
    x = 2,590.19

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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.