Home / 1,811.08-2,499.32-1,413.19

Finding the Fourth Proportional to 1,811.08, 2,499.32 and 1,413.19

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Solution

The fourth proportional to 1,811.08, 2,499.32 and 1,413.19 is: 1,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.08 : 2,499.32 = 1,413.19 : x
  2. Step 2: Convert to fraction form
    1,811.08/2,499.32 = 1,413.19/x
  3. Step 3: Cross multiply
    1,811.08x = 2,499.32 × 1,413.19
  4. Step 4: Simplify right side
    1,811.08x = 3,532,006.02
  5. Step 5: Solve for x
    x = 3,532,006.02/1,811.08
  6. Step 6: Final answer
    x = 1,950.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.