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Finding the Fourth Proportional to 1,747.23, 2,411.11 and 961.27

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Solution

The fourth proportional to 1,747.23, 2,411.11 and 961.27 is: 1,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.23 : 2,411.11 = 961.27 : x
  2. Step 2: Convert to fraction form
    1,747.23/2,411.11 = 961.27/x
  3. Step 3: Cross multiply
    1,747.23x = 2,411.11 × 961.27
  4. Step 4: Simplify right side
    1,747.23x = 2,317,722.88
  5. Step 5: Solve for x
    x = 2,317,722.88/1,747.23
  6. Step 6: Final answer
    x = 1,326.52

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1.5x scale

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.