Home / 3,300.25-4,555.89-2,122

Finding the Fourth Proportional to 3,300.25, 4,555.89 and 2,122

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Solution

The fourth proportional to 3,300.25, 4,555.89 and 2,122 is: 2,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.25 : 4,555.89 = 2,122 : x
  2. Step 2: Convert to fraction form
    3,300.25/4,555.89 = 2,122/x
  3. Step 3: Cross multiply
    3,300.25x = 4,555.89 × 2,122
  4. Step 4: Simplify right side
    3,300.25x = 9,667,598.58
  5. Step 5: Solve for x
    x = 9,667,598.58/3,300.25
  6. Step 6: Final answer
    x = 2,929.35

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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.