Home / 3,885.42-5,355.62-2,626.08

Finding the Fourth Proportional to 3,885.42, 5,355.62 and 2,626.08

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Solution

The fourth proportional to 3,885.42, 5,355.62 and 2,626.08 is: 3,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.42 : 5,355.62 = 2,626.08 : x
  2. Step 2: Convert to fraction form
    3,885.42/5,355.62 = 2,626.08/x
  3. Step 3: Cross multiply
    3,885.42x = 5,355.62 × 2,626.08
  4. Step 4: Simplify right side
    3,885.42x = 14,064,286.57
  5. Step 5: Solve for x
    x = 14,064,286.57/3,885.42
  6. Step 6: Final answer
    x = 3,619.76

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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.