Home / 3,781.80-5,673.84-1,184.76

Finding the Fourth Proportional to 3,781.80, 5,673.84 and 1,184.76

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Solution

The fourth proportional to 3,781.80, 5,673.84 and 1,184.76 is: 1,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.80 : 5,673.84 = 1,184.76 : x
  2. Step 2: Convert to fraction form
    3,781.80/5,673.84 = 1,184.76/x
  3. Step 3: Cross multiply
    3,781.80x = 5,673.84 × 1,184.76
  4. Step 4: Simplify right side
    3,781.80x = 6,722,138.68
  5. Step 5: Solve for x
    x = 6,722,138.68/3,781.80
  6. Step 6: Final answer
    x = 1,777.50

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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.