Home / 2,239.21-3,090.01-1,244.41

Finding the Fourth Proportional to 2,239.21, 3,090.01 and 1,244.41

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Solution

The fourth proportional to 2,239.21, 3,090.01 and 1,244.41 is: 1,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.21 : 3,090.01 = 1,244.41 : x
  2. Step 2: Convert to fraction form
    2,239.21/3,090.01 = 1,244.41/x
  3. Step 3: Cross multiply
    2,239.21x = 3,090.01 × 1,244.41
  4. Step 4: Simplify right side
    2,239.21x = 3,845,239.34
  5. Step 5: Solve for x
    x = 3,845,239.34/2,239.21
  6. Step 6: Final answer
    x = 1,717.23

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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.