Home / 1,814.28-2,722.05-1,120.14

Finding the Fourth Proportional to 1,814.28, 2,722.05 and 1,120.14

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Solution

The fourth proportional to 1,814.28, 2,722.05 and 1,120.14 is: 1,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.28 : 2,722.05 = 1,120.14 : x
  2. Step 2: Convert to fraction form
    1,814.28/2,722.05 = 1,120.14/x
  3. Step 3: Cross multiply
    1,814.28x = 2,722.05 × 1,120.14
  4. Step 4: Simplify right side
    1,814.28x = 3,049,077.09
  5. Step 5: Solve for x
    x = 3,049,077.09/1,814.28
  6. Step 6: Final answer
    x = 1,680.60

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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.