Home / 3,638.30-5,457.80-1,446.54

Finding the Fourth Proportional to 3,638.30, 5,457.80 and 1,446.54

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Solution

The fourth proportional to 3,638.30, 5,457.80 and 1,446.54 is: 2,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.30 : 5,457.80 = 1,446.54 : x
  2. Step 2: Convert to fraction form
    3,638.30/5,457.80 = 1,446.54/x
  3. Step 3: Cross multiply
    3,638.30x = 5,457.80 × 1,446.54
  4. Step 4: Simplify right side
    3,638.30x = 7,894,926.01
  5. Step 5: Solve for x
    x = 7,894,926.01/3,638.30
  6. Step 6: Final answer
    x = 2,169.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.