Home / 1,788.74-2,683.11-1,176.32

Finding the Fourth Proportional to 1,788.74, 2,683.11 and 1,176.32

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Solution

The fourth proportional to 1,788.74, 2,683.11 and 1,176.32 is: 1,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.74 : 2,683.11 = 1,176.32 : x
  2. Step 2: Convert to fraction form
    1,788.74/2,683.11 = 1,176.32/x
  3. Step 3: Cross multiply
    1,788.74x = 2,683.11 × 1,176.32
  4. Step 4: Simplify right side
    1,788.74x = 3,156,195.96
  5. Step 5: Solve for x
    x = 3,156,195.96/1,788.74
  6. Step 6: Final answer
    x = 1,764.48

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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.