Home / 3,281.70-4,914.45-2,180.10

Finding the Fourth Proportional to 3,281.70, 4,914.45 and 2,180.10

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Solution

The fourth proportional to 3,281.70, 4,914.45 and 2,180.10 is: 3,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.70 : 4,914.45 = 2,180.10 : x
  2. Step 2: Convert to fraction form
    3,281.70/4,914.45 = 2,180.10/x
  3. Step 3: Cross multiply
    3,281.70x = 4,914.45 × 2,180.10
  4. Step 4: Simplify right side
    3,281.70x = 10,713,992.45
  5. Step 5: Solve for x
    x = 10,713,992.45/3,281.70
  6. Step 6: Final answer
    x = 3,264.77

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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.