Home / 2,461.20-3,396.80-1,413.08

Finding the Fourth Proportional to 2,461.20, 3,396.80 and 1,413.08

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Solution

The fourth proportional to 2,461.20, 3,396.80 and 1,413.08 is: 1,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.20 : 3,396.80 = 1,413.08 : x
  2. Step 2: Convert to fraction form
    2,461.20/3,396.80 = 1,413.08/x
  3. Step 3: Cross multiply
    2,461.20x = 3,396.80 × 1,413.08
  4. Step 4: Simplify right side
    2,461.20x = 4,799,950.14
  5. Step 5: Solve for x
    x = 4,799,950.14/2,461.20
  6. Step 6: Final answer
    x = 1,950.25

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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.