Home / 1,394.21-2,090.09-527.92

Finding the Fourth Proportional to 1,394.21, 2,090.09 and 527.92

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Solution

The fourth proportional to 1,394.21, 2,090.09 and 527.92 is: 791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.21 : 2,090.09 = 527.92 : x
  2. Step 2: Convert to fraction form
    1,394.21/2,090.09 = 527.92/x
  3. Step 3: Cross multiply
    1,394.21x = 2,090.09 × 527.92
  4. Step 4: Simplify right side
    1,394.21x = 1,103,396.41
  5. Step 5: Solve for x
    x = 1,103,396.41/1,394.21
  6. Step 6: Final answer
    x = 791.41

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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.