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Finding the Fourth Proportional to 1,341.00, 1,849.49 and 943.98

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Solution

The fourth proportional to 1,341.00, 1,849.49 and 943.98 is: 1,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.00 : 1,849.49 = 943.98 : x
  2. Step 2: Convert to fraction form
    1,341.00/1,849.49 = 943.98/x
  3. Step 3: Cross multiply
    1,341.00x = 1,849.49 × 943.98
  4. Step 4: Simplify right side
    1,341.00x = 1,745,879.21
  5. Step 5: Solve for x
    x = 1,745,879.21/1,341.00
  6. Step 6: Final answer
    x = 1,301.92

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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.