Home / 3,780.54-5,671.43-1,182.86

Finding the Fourth Proportional to 3,780.54, 5,671.43 and 1,182.86

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Solution

The fourth proportional to 3,780.54, 5,671.43 and 1,182.86 is: 1,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.54 : 5,671.43 = 1,182.86 : x
  2. Step 2: Convert to fraction form
    3,780.54/5,671.43 = 1,182.86/x
  3. Step 3: Cross multiply
    3,780.54x = 5,671.43 × 1,182.86
  4. Step 4: Simplify right side
    3,780.54x = 6,708,507.69
  5. Step 5: Solve for x
    x = 6,708,507.69/3,780.54
  6. Step 6: Final answer
    x = 1,774.48

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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.