Home / 2,945.17-4,413.64-2,213.89

Finding the Fourth Proportional to 2,945.17, 4,413.64 and 2,213.89

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Solution

The fourth proportional to 2,945.17, 4,413.64 and 2,213.89 is: 3,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.17 : 4,413.64 = 2,213.89 : x
  2. Step 2: Convert to fraction form
    2,945.17/4,413.64 = 2,213.89/x
  3. Step 3: Cross multiply
    2,945.17x = 4,413.64 × 2,213.89
  4. Step 4: Simplify right side
    2,945.17x = 9,771,313.46
  5. Step 5: Solve for x
    x = 9,771,313.46/2,945.17
  6. Step 6: Final answer
    x = 3,317.74

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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.