Home / 1,942.03-2,679.99-1,057.84

Finding the Fourth Proportional to 1,942.03, 2,679.99 and 1,057.84

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Solution

The fourth proportional to 1,942.03, 2,679.99 and 1,057.84 is: 1,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.03 : 2,679.99 = 1,057.84 : x
  2. Step 2: Convert to fraction form
    1,942.03/2,679.99 = 1,057.84/x
  3. Step 3: Cross multiply
    1,942.03x = 2,679.99 × 1,057.84
  4. Step 4: Simplify right side
    1,942.03x = 2,835,000.62
  5. Step 5: Solve for x
    x = 2,835,000.62/1,942.03
  6. Step 6: Final answer
    x = 1,459.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.