Home / 3,170.78-4,376.56-1,844.74

Finding the Fourth Proportional to 3,170.78, 4,376.56 and 1,844.74

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Solution

The fourth proportional to 3,170.78, 4,376.56 and 1,844.74 is: 2,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.78 : 4,376.56 = 1,844.74 : x
  2. Step 2: Convert to fraction form
    3,170.78/4,376.56 = 1,844.74/x
  3. Step 3: Cross multiply
    3,170.78x = 4,376.56 × 1,844.74
  4. Step 4: Simplify right side
    3,170.78x = 8,073,595.96
  5. Step 5: Solve for x
    x = 8,073,595.96/3,170.78
  6. Step 6: Final answer
    x = 2,546.25

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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.