Home / 3,231.13-4,458.26-1,904.35

Finding the Fourth Proportional to 3,231.13, 4,458.26 and 1,904.35

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Solution

The fourth proportional to 3,231.13, 4,458.26 and 1,904.35 is: 2,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.13 : 4,458.26 = 1,904.35 : x
  2. Step 2: Convert to fraction form
    3,231.13/4,458.26 = 1,904.35/x
  3. Step 3: Cross multiply
    3,231.13x = 4,458.26 × 1,904.35
  4. Step 4: Simplify right side
    3,231.13x = 8,490,065.14
  5. Step 5: Solve for x
    x = 8,490,065.14/3,231.13
  6. Step 6: Final answer
    x = 2,627.59

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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.