Home / 1,839.21-2,758.23-606.39

Finding the Fourth Proportional to 1,839.21, 2,758.23 and 606.39

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Solution

The fourth proportional to 1,839.21, 2,758.23 and 606.39 is: 909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.21 : 2,758.23 = 606.39 : x
  2. Step 2: Convert to fraction form
    1,839.21/2,758.23 = 606.39/x
  3. Step 3: Cross multiply
    1,839.21x = 2,758.23 × 606.39
  4. Step 4: Simplify right side
    1,839.21x = 1,672,563.09
  5. Step 5: Solve for x
    x = 1,672,563.09/1,839.21
  6. Step 6: Final answer
    x = 909.39

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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.