Home / 3,458.43-5,187.54-1,118.34

Finding the Fourth Proportional to 3,458.43, 5,187.54 and 1,118.34

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Solution

The fourth proportional to 3,458.43, 5,187.54 and 1,118.34 is: 1,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.43 : 5,187.54 = 1,118.34 : x
  2. Step 2: Convert to fraction form
    3,458.43/5,187.54 = 1,118.34/x
  3. Step 3: Cross multiply
    3,458.43x = 5,187.54 × 1,118.34
  4. Step 4: Simplify right side
    3,458.43x = 5,801,437.68
  5. Step 5: Solve for x
    x = 5,801,437.68/3,458.43
  6. Step 6: Final answer
    x = 1,677.48

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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.