Home / 2,135.12-3,203.33-1,095.86

Finding the Fourth Proportional to 2,135.12, 3,203.33 and 1,095.86

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Solution

The fourth proportional to 2,135.12, 3,203.33 and 1,095.86 is: 1,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.12 : 3,203.33 = 1,095.86 : x
  2. Step 2: Convert to fraction form
    2,135.12/3,203.33 = 1,095.86/x
  3. Step 3: Cross multiply
    2,135.12x = 3,203.33 × 1,095.86
  4. Step 4: Simplify right side
    2,135.12x = 3,510,403.74
  5. Step 5: Solve for x
    x = 3,510,403.74/2,135.12
  6. Step 6: Final answer
    x = 1,644.13

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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.