Home / 3,460.07-5,186.25-1,379.52

Finding the Fourth Proportional to 3,460.07, 5,186.25 and 1,379.52

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Solution

The fourth proportional to 3,460.07, 5,186.25 and 1,379.52 is: 2,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.07 : 5,186.25 = 1,379.52 : x
  2. Step 2: Convert to fraction form
    3,460.07/5,186.25 = 1,379.52/x
  3. Step 3: Cross multiply
    3,460.07x = 5,186.25 × 1,379.52
  4. Step 4: Simplify right side
    3,460.07x = 7,154,535.60
  5. Step 5: Solve for x
    x = 7,154,535.60/3,460.07
  6. Step 6: Final answer
    x = 2,067.75

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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.