Home / 1,766.15-2,432.35-1,727.89

Finding the Fourth Proportional to 1,766.15, 2,432.35 and 1,727.89

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Solution

The fourth proportional to 1,766.15, 2,432.35 and 1,727.89 is: 2,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.15 : 2,432.35 = 1,727.89 : x
  2. Step 2: Convert to fraction form
    1,766.15/2,432.35 = 1,727.89/x
  3. Step 3: Cross multiply
    1,766.15x = 2,432.35 × 1,727.89
  4. Step 4: Simplify right side
    1,766.15x = 4,202,833.24
  5. Step 5: Solve for x
    x = 4,202,833.24/1,766.15
  6. Step 6: Final answer
    x = 2,379.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.