Home / 3,624.45-5,413.76-2,891.94

Finding the Fourth Proportional to 3,624.45, 5,413.76 and 2,891.94

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Solution

The fourth proportional to 3,624.45, 5,413.76 and 2,891.94 is: 4,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.45 : 5,413.76 = 2,891.94 : x
  2. Step 2: Convert to fraction form
    3,624.45/5,413.76 = 2,891.94/x
  3. Step 3: Cross multiply
    3,624.45x = 5,413.76 × 2,891.94
  4. Step 4: Simplify right side
    3,624.45x = 15,656,254.63
  5. Step 5: Solve for x
    x = 15,656,254.63/3,624.45
  6. Step 6: Final answer
    x = 4,319.62

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1.5x scale

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.