Home / 2,614.20-3,927.70-1,966.20

Finding the Fourth Proportional to 2,614.20, 3,927.70 and 1,966.20

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Solution

The fourth proportional to 2,614.20, 3,927.70 and 1,966.20 is: 2,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.20 : 3,927.70 = 1,966.20 : x
  2. Step 2: Convert to fraction form
    2,614.20/3,927.70 = 1,966.20/x
  3. Step 3: Cross multiply
    2,614.20x = 3,927.70 × 1,966.20
  4. Step 4: Simplify right side
    2,614.20x = 7,722,643.74
  5. Step 5: Solve for x
    x = 7,722,643.74/2,614.20
  6. Step 6: Final answer
    x = 2,954.11

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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.