Home / 1,486.40-2,227.76-1,450

Finding the Fourth Proportional to 1,486.40, 2,227.76 and 1,450

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Solution

The fourth proportional to 1,486.40, 2,227.76 and 1,450 is: 2,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.40 : 2,227.76 = 1,450 : x
  2. Step 2: Convert to fraction form
    1,486.40/2,227.76 = 1,450/x
  3. Step 3: Cross multiply
    1,486.40x = 2,227.76 × 1,450
  4. Step 4: Simplify right side
    1,486.40x = 3,230,252.00
  5. Step 5: Solve for x
    x = 3,230,252.00/1,486.40
  6. Step 6: Final answer
    x = 2,173.21

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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.