Home / 2,291.69-3,163.68-1,485.11

Finding the Fourth Proportional to 2,291.69, 3,163.68 and 1,485.11

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Solution

The fourth proportional to 2,291.69, 3,163.68 and 1,485.11 is: 2,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.69 : 3,163.68 = 1,485.11 : x
  2. Step 2: Convert to fraction form
    2,291.69/3,163.68 = 1,485.11/x
  3. Step 3: Cross multiply
    2,291.69x = 3,163.68 × 1,485.11
  4. Step 4: Simplify right side
    2,291.69x = 4,698,415.99
  5. Step 5: Solve for x
    x = 4,698,415.99/2,291.69
  6. Step 6: Final answer
    x = 2,050.19

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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.