Home / 1,717.96-2,370.53-961.73

Finding the Fourth Proportional to 1,717.96, 2,370.53 and 961.73

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Solution

The fourth proportional to 1,717.96, 2,370.53 and 961.73 is: 1,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.96 : 2,370.53 = 961.73 : x
  2. Step 2: Convert to fraction form
    1,717.96/2,370.53 = 961.73/x
  3. Step 3: Cross multiply
    1,717.96x = 2,370.53 × 961.73
  4. Step 4: Simplify right side
    1,717.96x = 2,279,809.82
  5. Step 5: Solve for x
    x = 2,279,809.82/1,717.96
  6. Step 6: Final answer
    x = 1,327.04

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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.