Home / 3,101.15-4,279.14-1,774.61

Finding the Fourth Proportional to 3,101.15, 4,279.14 and 1,774.61

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Solution

The fourth proportional to 3,101.15, 4,279.14 and 1,774.61 is: 2,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.15 : 4,279.14 = 1,774.61 : x
  2. Step 2: Convert to fraction form
    3,101.15/4,279.14 = 1,774.61/x
  3. Step 3: Cross multiply
    3,101.15x = 4,279.14 × 1,774.61
  4. Step 4: Simplify right side
    3,101.15x = 7,593,804.64
  5. Step 5: Solve for x
    x = 7,593,804.64/3,101.15
  6. Step 6: Final answer
    x = 2,448.71

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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.