Home / 1,941.58-2,679.33-1,057.33

Finding the Fourth Proportional to 1,941.58, 2,679.33 and 1,057.33

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Solution

The fourth proportional to 1,941.58, 2,679.33 and 1,057.33 is: 1,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.58 : 2,679.33 = 1,057.33 : x
  2. Step 2: Convert to fraction form
    1,941.58/2,679.33 = 1,057.33/x
  3. Step 3: Cross multiply
    1,941.58x = 2,679.33 × 1,057.33
  4. Step 4: Simplify right side
    1,941.58x = 2,832,935.99
  5. Step 5: Solve for x
    x = 2,832,935.99/1,941.58
  6. Step 6: Final answer
    x = 1,459.09

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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.