Home / 2,239.09-3,357.75-1,314.88

Finding the Fourth Proportional to 2,239.09, 3,357.75 and 1,314.88

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Solution

The fourth proportional to 2,239.09, 3,357.75 and 1,314.88 is: 1,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.09 : 3,357.75 = 1,314.88 : x
  2. Step 2: Convert to fraction form
    2,239.09/3,357.75 = 1,314.88/x
  3. Step 3: Cross multiply
    2,239.09x = 3,357.75 × 1,314.88
  4. Step 4: Simplify right side
    2,239.09x = 4,415,021.53
  5. Step 5: Solve for x
    x = 4,415,021.53/2,239.09
  6. Step 6: Final answer
    x = 1,971.80

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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.