Home / 1,814.40-2,722.41-1,330.02

Finding the Fourth Proportional to 1,814.40, 2,722.41 and 1,330.02

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Solution

The fourth proportional to 1,814.40, 2,722.41 and 1,330.02 is: 1,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.40 : 2,722.41 = 1,330.02 : x
  2. Step 2: Convert to fraction form
    1,814.40/2,722.41 = 1,330.02/x
  3. Step 3: Cross multiply
    1,814.40x = 2,722.41 × 1,330.02
  4. Step 4: Simplify right side
    1,814.40x = 3,620,859.75
  5. Step 5: Solve for x
    x = 3,620,859.75/1,814.40
  6. Step 6: Final answer
    x = 1,995.62

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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.