Home / 1,723.36-2,587.20-1,176.88

Finding the Fourth Proportional to 1,723.36, 2,587.20 and 1,176.88

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Solution

The fourth proportional to 1,723.36, 2,587.20 and 1,176.88 is: 1,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.36 : 2,587.20 = 1,176.88 : x
  2. Step 2: Convert to fraction form
    1,723.36/2,587.20 = 1,176.88/x
  3. Step 3: Cross multiply
    1,723.36x = 2,587.20 × 1,176.88
  4. Step 4: Simplify right side
    1,723.36x = 3,044,823.94
  5. Step 5: Solve for x
    x = 3,044,823.94/1,723.36
  6. Step 6: Final answer
    x = 1,766.80

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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.