Home / 2,685.10-4,027.20-736.84

Finding the Fourth Proportional to 2,685.10, 4,027.20 and 736.84

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Solution

The fourth proportional to 2,685.10, 4,027.20 and 736.84 is: 1,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.10 : 4,027.20 = 736.84 : x
  2. Step 2: Convert to fraction form
    2,685.10/4,027.20 = 736.84/x
  3. Step 3: Cross multiply
    2,685.10x = 4,027.20 × 736.84
  4. Step 4: Simplify right side
    2,685.10x = 2,967,402.05
  5. Step 5: Solve for x
    x = 2,967,402.05/2,685.10
  6. Step 6: Final answer
    x = 1,105.14

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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.