Home / 1,839.28-2,758.72-606.28

Finding the Fourth Proportional to 1,839.28, 2,758.72 and 606.28

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Solution

The fourth proportional to 1,839.28, 2,758.72 and 606.28 is: 909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.28 : 2,758.72 = 606.28 : x
  2. Step 2: Convert to fraction form
    1,839.28/2,758.72 = 606.28/x
  3. Step 3: Cross multiply
    1,839.28x = 2,758.72 × 606.28
  4. Step 4: Simplify right side
    1,839.28x = 1,672,556.76
  5. Step 5: Solve for x
    x = 1,672,556.76/1,839.28
  6. Step 6: Final answer
    x = 909.35

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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.