Home / 1,338.16-2,004.30-1,104.40

Finding the Fourth Proportional to 1,338.16, 2,004.30 and 1,104.40

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Solution

The fourth proportional to 1,338.16, 2,004.30 and 1,104.40 is: 1,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.16 : 2,004.30 = 1,104.40 : x
  2. Step 2: Convert to fraction form
    1,338.16/2,004.30 = 1,104.40/x
  3. Step 3: Cross multiply
    1,338.16x = 2,004.30 × 1,104.40
  4. Step 4: Simplify right side
    1,338.16x = 2,213,548.92
  5. Step 5: Solve for x
    x = 2,213,548.92/1,338.16
  6. Step 6: Final answer
    x = 1,654.17

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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.