Home / 3,638.31-5,457.17-1,446.45

Finding the Fourth Proportional to 3,638.31, 5,457.17 and 1,446.45

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Solution

The fourth proportional to 3,638.31, 5,457.17 and 1,446.45 is: 2,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.31 : 5,457.17 = 1,446.45 : x
  2. Step 2: Convert to fraction form
    3,638.31/5,457.17 = 1,446.45/x
  3. Step 3: Cross multiply
    3,638.31x = 5,457.17 × 1,446.45
  4. Step 4: Simplify right side
    3,638.31x = 7,893,516.31
  5. Step 5: Solve for x
    x = 7,893,516.31/3,638.31
  6. Step 6: Final answer
    x = 2,169.56

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1.5x scale

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.