Home / 3,603.13-5,401.47-1,413.39

Finding the Fourth Proportional to 3,603.13, 5,401.47 and 1,413.39

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Solution

The fourth proportional to 3,603.13, 5,401.47 and 1,413.39 is: 2,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.13 : 5,401.47 = 1,413.39 : x
  2. Step 2: Convert to fraction form
    3,603.13/5,401.47 = 1,413.39/x
  3. Step 3: Cross multiply
    3,603.13x = 5,401.47 × 1,413.39
  4. Step 4: Simplify right side
    3,603.13x = 7,634,383.68
  5. Step 5: Solve for x
    x = 7,634,383.68/3,603.13
  6. Step 6: Final answer
    x = 2,118.82

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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.