Home / 1,226.49-1,839.87-610.35

Finding the Fourth Proportional to 1,226.49, 1,839.87 and 610.35

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Solution

The fourth proportional to 1,226.49, 1,839.87 and 610.35 is: 915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.49 : 1,839.87 = 610.35 : x
  2. Step 2: Convert to fraction form
    1,226.49/1,839.87 = 610.35/x
  3. Step 3: Cross multiply
    1,226.49x = 1,839.87 × 610.35
  4. Step 4: Simplify right side
    1,226.49x = 1,122,964.65
  5. Step 5: Solve for x
    x = 1,122,964.65/1,226.49
  6. Step 6: Final answer
    x = 915.59

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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.