Home / 3,195.48-4,788.78-1,790.63

Finding the Fourth Proportional to 3,195.48, 4,788.78 and 1,790.63

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Solution

The fourth proportional to 3,195.48, 4,788.78 and 1,790.63 is: 2,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.48 : 4,788.78 = 1,790.63 : x
  2. Step 2: Convert to fraction form
    3,195.48/4,788.78 = 1,790.63/x
  3. Step 3: Cross multiply
    3,195.48x = 4,788.78 × 1,790.63
  4. Step 4: Simplify right side
    3,195.48x = 8,574,909.19
  5. Step 5: Solve for x
    x = 8,574,909.19/3,195.48
  6. Step 6: Final answer
    x = 2,683.45

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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.