Home / 3,742.54-5,614.21-1,403.66

Finding the Fourth Proportional to 3,742.54, 5,614.21 and 1,403.66

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Solution

The fourth proportional to 3,742.54, 5,614.21 and 1,403.66 is: 2,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.54 : 5,614.21 = 1,403.66 : x
  2. Step 2: Convert to fraction form
    3,742.54/5,614.21 = 1,403.66/x
  3. Step 3: Cross multiply
    3,742.54x = 5,614.21 × 1,403.66
  4. Step 4: Simplify right side
    3,742.54x = 7,880,457.80
  5. Step 5: Solve for x
    x = 7,880,457.80/3,742.54
  6. Step 6: Final answer
    x = 2,105.65

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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.