Home / 2,239.22-3,090.53-1,294.90

Finding the Fourth Proportional to 2,239.22, 3,090.53 and 1,294.90

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Solution

The fourth proportional to 2,239.22, 3,090.53 and 1,294.90 is: 1,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.22 : 3,090.53 = 1,294.90 : x
  2. Step 2: Convert to fraction form
    2,239.22/3,090.53 = 1,294.90/x
  3. Step 3: Cross multiply
    2,239.22x = 3,090.53 × 1,294.90
  4. Step 4: Simplify right side
    2,239.22x = 4,001,922.81
  5. Step 5: Solve for x
    x = 4,001,922.81/2,239.22
  6. Step 6: Final answer
    x = 1,787.19

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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.