Home / 2,590.21-3,884.28-1,203.31

Finding the Fourth Proportional to 2,590.21, 3,884.28 and 1,203.31

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Solution

The fourth proportional to 2,590.21, 3,884.28 and 1,203.31 is: 1,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.21 : 3,884.28 = 1,203.31 : x
  2. Step 2: Convert to fraction form
    2,590.21/3,884.28 = 1,203.31/x
  3. Step 3: Cross multiply
    2,590.21x = 3,884.28 × 1,203.31
  4. Step 4: Simplify right side
    2,590.21x = 4,673,992.97
  5. Step 5: Solve for x
    x = 4,673,992.97/2,590.21
  6. Step 6: Final answer
    x = 1,804.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.