Home / 1,903.05-2,850.53-1,242.59

Finding the Fourth Proportional to 1,903.05, 2,850.53 and 1,242.59

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Solution

The fourth proportional to 1,903.05, 2,850.53 and 1,242.59 is: 1,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.05 : 2,850.53 = 1,242.59 : x
  2. Step 2: Convert to fraction form
    1,903.05/2,850.53 = 1,242.59/x
  3. Step 3: Cross multiply
    1,903.05x = 2,850.53 × 1,242.59
  4. Step 4: Simplify right side
    1,903.05x = 3,542,025.82
  5. Step 5: Solve for x
    x = 3,542,025.82/1,903.05
  6. Step 6: Final answer
    x = 1,861.24

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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.