Home / 3,413.59-5,117.18-1,851.30

Finding the Fourth Proportional to 3,413.59, 5,117.18 and 1,851.30

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Solution

The fourth proportional to 3,413.59, 5,117.18 and 1,851.30 is: 2,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.59 : 5,117.18 = 1,851.30 : x
  2. Step 2: Convert to fraction form
    3,413.59/5,117.18 = 1,851.30/x
  3. Step 3: Cross multiply
    3,413.59x = 5,117.18 × 1,851.30
  4. Step 4: Simplify right side
    3,413.59x = 9,473,439.96
  5. Step 5: Solve for x
    x = 9,473,439.96/3,413.59
  6. Step 6: Final answer
    x = 2,775.22

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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.