Home / 3,413.29-4,710-1,921.17

Finding the Fourth Proportional to 3,413.29, 4,710 and 1,921.17

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Solution

The fourth proportional to 3,413.29, 4,710 and 1,921.17 is: 2,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.29 : 4,710 = 1,921.17 : x
  2. Step 2: Convert to fraction form
    3,413.29/4,710 = 1,921.17/x
  3. Step 3: Cross multiply
    3,413.29x = 4,710 × 1,921.17
  4. Step 4: Simplify right side
    3,413.29x = 9,048,710.70
  5. Step 5: Solve for x
    x = 9,048,710.70/3,413.29
  6. Step 6: Final answer
    x = 2,651.02

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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.