Home / 2,210.82-3,317.13-1,171.99

Finding the Fourth Proportional to 2,210.82, 3,317.13 and 1,171.99

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Solution

The fourth proportional to 2,210.82, 3,317.13 and 1,171.99 is: 1,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.82 : 3,317.13 = 1,171.99 : x
  2. Step 2: Convert to fraction form
    2,210.82/3,317.13 = 1,171.99/x
  3. Step 3: Cross multiply
    2,210.82x = 3,317.13 × 1,171.99
  4. Step 4: Simplify right side
    2,210.82x = 3,887,643.19
  5. Step 5: Solve for x
    x = 3,887,643.19/2,210.82
  6. Step 6: Final answer
    x = 1,758.46

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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.