Home / 3,171.44-4,377.28-1,845.32

Finding the Fourth Proportional to 3,171.44, 4,377.28 and 1,845.32

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Solution

The fourth proportional to 3,171.44, 4,377.28 and 1,845.32 is: 2,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.44 : 4,377.28 = 1,845.32 : x
  2. Step 2: Convert to fraction form
    3,171.44/4,377.28 = 1,845.32/x
  3. Step 3: Cross multiply
    3,171.44x = 4,377.28 × 1,845.32
  4. Step 4: Simplify right side
    3,171.44x = 8,077,482.33
  5. Step 5: Solve for x
    x = 8,077,482.33/3,171.44
  6. Step 6: Final answer
    x = 2,546.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.