Home / 2,814-4,220.28-1,660.56

Finding the Fourth Proportional to 2,814, 4,220.28 and 1,660.56

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Solution

The fourth proportional to 2,814, 4,220.28 and 1,660.56 is: 2,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814 : 4,220.28 = 1,660.56 : x
  2. Step 2: Convert to fraction form
    2,814/4,220.28 = 1,660.56/x
  3. Step 3: Cross multiply
    2,814x = 4,220.28 × 1,660.56
  4. Step 4: Simplify right side
    2,814x = 7,008,028.16
  5. Step 5: Solve for x
    x = 7,008,028.16/2,814
  6. Step 6: Final answer
    x = 2,490.42

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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.