Home / 3,080.04-4,620.45-1,413.76

Finding the Fourth Proportional to 3,080.04, 4,620.45 and 1,413.76

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Solution

The fourth proportional to 3,080.04, 4,620.45 and 1,413.76 is: 2,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.04 : 4,620.45 = 1,413.76 : x
  2. Step 2: Convert to fraction form
    3,080.04/4,620.45 = 1,413.76/x
  3. Step 3: Cross multiply
    3,080.04x = 4,620.45 × 1,413.76
  4. Step 4: Simplify right side
    3,080.04x = 6,532,207.39
  5. Step 5: Solve for x
    x = 6,532,207.39/3,080.04
  6. Step 6: Final answer
    x = 2,120.82

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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.