Home / 2,885.90-3,982.49-1,626.96

Finding the Fourth Proportional to 2,885.90, 3,982.49 and 1,626.96

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Solution

The fourth proportional to 2,885.90, 3,982.49 and 1,626.96 is: 2,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.90 : 3,982.49 = 1,626.96 : x
  2. Step 2: Convert to fraction form
    2,885.90/3,982.49 = 1,626.96/x
  3. Step 3: Cross multiply
    2,885.90x = 3,982.49 × 1,626.96
  4. Step 4: Simplify right side
    2,885.90x = 6,479,341.06
  5. Step 5: Solve for x
    x = 6,479,341.06/2,885.90
  6. Step 6: Final answer
    x = 2,245.17

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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.