Home / 3,926.74-5,416.80-3,297.94

Finding the Fourth Proportional to 3,926.74, 5,416.80 and 3,297.94

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Solution

The fourth proportional to 3,926.74, 5,416.80 and 3,297.94 is: 4,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.74 : 5,416.80 = 3,297.94 : x
  2. Step 2: Convert to fraction form
    3,926.74/5,416.80 = 3,297.94/x
  3. Step 3: Cross multiply
    3,926.74x = 5,416.80 × 3,297.94
  4. Step 4: Simplify right side
    3,926.74x = 17,864,281.39
  5. Step 5: Solve for x
    x = 17,864,281.39/3,926.74
  6. Step 6: Final answer
    x = 4,549.39

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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.