Home / 1,234.07-1,849.21-617.16

Finding the Fourth Proportional to 1,234.07, 1,849.21 and 617.16

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Solution

The fourth proportional to 1,234.07, 1,849.21 and 617.16 is: 924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.07 : 1,849.21 = 617.16 : x
  2. Step 2: Convert to fraction form
    1,234.07/1,849.21 = 617.16/x
  3. Step 3: Cross multiply
    1,234.07x = 1,849.21 × 617.16
  4. Step 4: Simplify right side
    1,234.07x = 1,141,258.44
  5. Step 5: Solve for x
    x = 1,141,258.44/1,234.07
  6. Step 6: Final answer
    x = 924.79

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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.