Home / 1,610.26-2,221.92-946.96

Finding the Fourth Proportional to 1,610.26, 2,221.92 and 946.96

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Solution

The fourth proportional to 1,610.26, 2,221.92 and 946.96 is: 1,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.26 : 2,221.92 = 946.96 : x
  2. Step 2: Convert to fraction form
    1,610.26/2,221.92 = 946.96/x
  3. Step 3: Cross multiply
    1,610.26x = 2,221.92 × 946.96
  4. Step 4: Simplify right side
    1,610.26x = 2,104,069.36
  5. Step 5: Solve for x
    x = 2,104,069.36/1,610.26
  6. Step 6: Final answer
    x = 1,306.66

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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.