Home / 3,820.74-5,272.68-2,493.68

Finding the Fourth Proportional to 3,820.74, 5,272.68 and 2,493.68

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Solution

The fourth proportional to 3,820.74, 5,272.68 and 2,493.68 is: 3,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.74 : 5,272.68 = 2,493.68 : x
  2. Step 2: Convert to fraction form
    3,820.74/5,272.68 = 2,493.68/x
  3. Step 3: Cross multiply
    3,820.74x = 5,272.68 × 2,493.68
  4. Step 4: Simplify right side
    3,820.74x = 13,148,376.66
  5. Step 5: Solve for x
    x = 13,148,376.66/3,820.74
  6. Step 6: Final answer
    x = 3,441.32

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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.