Home / 3,179.80-4,746.30-2,956.96

Finding the Fourth Proportional to 3,179.80, 4,746.30 and 2,956.96

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Solution

The fourth proportional to 3,179.80, 4,746.30 and 2,956.96 is: 4,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.80 : 4,746.30 = 2,956.96 : x
  2. Step 2: Convert to fraction form
    3,179.80/4,746.30 = 2,956.96/x
  3. Step 3: Cross multiply
    3,179.80x = 4,746.30 × 2,956.96
  4. Step 4: Simplify right side
    3,179.80x = 14,034,595.52
  5. Step 5: Solve for x
    x = 14,034,595.52/3,179.80
  6. Step 6: Final answer
    x = 4,413.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.