Home / 1,679.61-2,517.47-1,234.25

Finding the Fourth Proportional to 1,679.61, 2,517.47 and 1,234.25

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Solution

The fourth proportional to 1,679.61, 2,517.47 and 1,234.25 is: 1,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.61 : 2,517.47 = 1,234.25 : x
  2. Step 2: Convert to fraction form
    1,679.61/2,517.47 = 1,234.25/x
  3. Step 3: Cross multiply
    1,679.61x = 2,517.47 × 1,234.25
  4. Step 4: Simplify right side
    1,679.61x = 3,107,168.59
  5. Step 5: Solve for x
    x = 3,107,168.59/1,679.61
  6. Step 6: Final answer
    x = 1,849.93

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1.5x scale

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.