Home / 1,723.92-2,586.96-1,177.08

Finding the Fourth Proportional to 1,723.92, 2,586.96 and 1,177.08

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Solution

The fourth proportional to 1,723.92, 2,586.96 and 1,177.08 is: 1,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.92 : 2,586.96 = 1,177.08 : x
  2. Step 2: Convert to fraction form
    1,723.92/2,586.96 = 1,177.08/x
  3. Step 3: Cross multiply
    1,723.92x = 2,586.96 × 1,177.08
  4. Step 4: Simplify right side
    1,723.92x = 3,045,058.88
  5. Step 5: Solve for x
    x = 3,045,058.88/1,723.92
  6. Step 6: Final answer
    x = 1,766.36

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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.