Home / 1,604.13-2,211.89-1,308.48

Finding the Fourth Proportional to 1,604.13, 2,211.89 and 1,308.48

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Solution

The fourth proportional to 1,604.13, 2,211.89 and 1,308.48 is: 1,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.13 : 2,211.89 = 1,308.48 : x
  2. Step 2: Convert to fraction form
    1,604.13/2,211.89 = 1,308.48/x
  3. Step 3: Cross multiply
    1,604.13x = 2,211.89 × 1,308.48
  4. Step 4: Simplify right side
    1,604.13x = 2,894,207.28
  5. Step 5: Solve for x
    x = 2,894,207.28/1,604.13
  6. Step 6: Final answer
    x = 1,804.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.