Home / 3,754.32-5,181.21-2,493.15

Finding the Fourth Proportional to 3,754.32, 5,181.21 and 2,493.15

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Solution

The fourth proportional to 3,754.32, 5,181.21 and 2,493.15 is: 3,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.32 : 5,181.21 = 2,493.15 : x
  2. Step 2: Convert to fraction form
    3,754.32/5,181.21 = 2,493.15/x
  3. Step 3: Cross multiply
    3,754.32x = 5,181.21 × 2,493.15
  4. Step 4: Simplify right side
    3,754.32x = 12,917,533.71
  5. Step 5: Solve for x
    x = 12,917,533.71/3,754.32
  6. Step 6: Final answer
    x = 3,440.71

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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.