Home / 3,781.78-5,673.27-1,184.14

Finding the Fourth Proportional to 3,781.78, 5,673.27 and 1,184.14

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Solution

The fourth proportional to 3,781.78, 5,673.27 and 1,184.14 is: 1,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.78 : 5,673.27 = 1,184.14 : x
  2. Step 2: Convert to fraction form
    3,781.78/5,673.27 = 1,184.14/x
  3. Step 3: Cross multiply
    3,781.78x = 5,673.27 × 1,184.14
  4. Step 4: Simplify right side
    3,781.78x = 6,717,945.94
  5. Step 5: Solve for x
    x = 6,717,945.94/3,781.78
  6. Step 6: Final answer
    x = 1,776.40

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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.