Home / 3,385.48-5,078.63-1,193.76

Finding the Fourth Proportional to 3,385.48, 5,078.63 and 1,193.76

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Solution

The fourth proportional to 3,385.48, 5,078.63 and 1,193.76 is: 1,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.48 : 5,078.63 = 1,193.76 : x
  2. Step 2: Convert to fraction form
    3,385.48/5,078.63 = 1,193.76/x
  3. Step 3: Cross multiply
    3,385.48x = 5,078.63 × 1,193.76
  4. Step 4: Simplify right side
    3,385.48x = 6,062,665.35
  5. Step 5: Solve for x
    x = 6,062,665.35/3,385.48
  6. Step 6: Final answer
    x = 1,790.78

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1.5x scale

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.