Home / 2,413.39-3,618.87-1,178.95

Finding the Fourth Proportional to 2,413.39, 3,618.87 and 1,178.95

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Solution

The fourth proportional to 2,413.39, 3,618.87 and 1,178.95 is: 1,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.39 : 3,618.87 = 1,178.95 : x
  2. Step 2: Convert to fraction form
    2,413.39/3,618.87 = 1,178.95/x
  3. Step 3: Cross multiply
    2,413.39x = 3,618.87 × 1,178.95
  4. Step 4: Simplify right side
    2,413.39x = 4,266,466.79
  5. Step 5: Solve for x
    x = 4,266,466.79/2,413.39
  6. Step 6: Final answer
    x = 1,767.83

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1.5x scale

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.