Home / 3,781.24-5,671.86-1,184.38

Finding the Fourth Proportional to 3,781.24, 5,671.86 and 1,184.38

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Solution

The fourth proportional to 3,781.24, 5,671.86 and 1,184.38 is: 1,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.24 : 5,671.86 = 1,184.38 : x
  2. Step 2: Convert to fraction form
    3,781.24/5,671.86 = 1,184.38/x
  3. Step 3: Cross multiply
    3,781.24x = 5,671.86 × 1,184.38
  4. Step 4: Simplify right side
    3,781.24x = 6,717,603.27
  5. Step 5: Solve for x
    x = 6,717,603.27/3,781.24
  6. Step 6: Final answer
    x = 1,776.56

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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.