Home / 3,146.34-4,719.51-1,413.75

Finding the Fourth Proportional to 3,146.34, 4,719.51 and 1,413.75

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Solution

The fourth proportional to 3,146.34, 4,719.51 and 1,413.75 is: 2,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.34 : 4,719.51 = 1,413.75 : x
  2. Step 2: Convert to fraction form
    3,146.34/4,719.51 = 1,413.75/x
  3. Step 3: Cross multiply
    3,146.34x = 4,719.51 × 1,413.75
  4. Step 4: Simplify right side
    3,146.34x = 6,672,207.26
  5. Step 5: Solve for x
    x = 6,672,207.26/3,146.34
  6. Step 6: Final answer
    x = 2,120.63

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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.