Home / 2,211.33-3,051.63-1,216.62

Finding the Fourth Proportional to 2,211.33, 3,051.63 and 1,216.62

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Solution

The fourth proportional to 2,211.33, 3,051.63 and 1,216.62 is: 1,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.33 : 3,051.63 = 1,216.62 : x
  2. Step 2: Convert to fraction form
    2,211.33/3,051.63 = 1,216.62/x
  3. Step 3: Cross multiply
    2,211.33x = 3,051.63 × 1,216.62
  4. Step 4: Simplify right side
    2,211.33x = 3,712,674.09
  5. Step 5: Solve for x
    x = 3,712,674.09/2,211.33
  6. Step 6: Final answer
    x = 1,678.93

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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.