Home / 1,941.30-2,679.08-1,057.19

Finding the Fourth Proportional to 1,941.30, 2,679.08 and 1,057.19

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Solution

The fourth proportional to 1,941.30, 2,679.08 and 1,057.19 is: 1,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.30 : 2,679.08 = 1,057.19 : x
  2. Step 2: Convert to fraction form
    1,941.30/2,679.08 = 1,057.19/x
  3. Step 3: Cross multiply
    1,941.30x = 2,679.08 × 1,057.19
  4. Step 4: Simplify right side
    1,941.30x = 2,832,277.90
  5. Step 5: Solve for x
    x = 2,832,277.90/1,941.30
  6. Step 6: Final answer
    x = 1,458.96

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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.