Home / 2,685.12-4,027.88-737.36

Finding the Fourth Proportional to 2,685.12, 4,027.88 and 737.36

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Solution

The fourth proportional to 2,685.12, 4,027.88 and 737.36 is: 1,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.12 : 4,027.88 = 737.36 : x
  2. Step 2: Convert to fraction form
    2,685.12/4,027.88 = 737.36/x
  3. Step 3: Cross multiply
    2,685.12x = 4,027.88 × 737.36
  4. Step 4: Simplify right side
    2,685.12x = 2,969,997.60
  5. Step 5: Solve for x
    x = 2,969,997.60/2,685.12
  6. Step 6: Final answer
    x = 1,106.09

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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.