Home / 2,212.98-3,055.14-1,329

Finding the Fourth Proportional to 2,212.98, 3,055.14 and 1,329

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Solution

The fourth proportional to 2,212.98, 3,055.14 and 1,329 is: 1,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.98 : 3,055.14 = 1,329 : x
  2. Step 2: Convert to fraction form
    2,212.98/3,055.14 = 1,329/x
  3. Step 3: Cross multiply
    2,212.98x = 3,055.14 × 1,329
  4. Step 4: Simplify right side
    2,212.98x = 4,060,281.06
  5. Step 5: Solve for x
    x = 4,060,281.06/2,212.98
  6. Step 6: Final answer
    x = 1,834.76

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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.