Home / 1,625.67-2,243.40-926.99

Finding the Fourth Proportional to 1,625.67, 2,243.40 and 926.99

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Solution

The fourth proportional to 1,625.67, 2,243.40 and 926.99 is: 1,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.67 : 2,243.40 = 926.99 : x
  2. Step 2: Convert to fraction form
    1,625.67/2,243.40 = 926.99/x
  3. Step 3: Cross multiply
    1,625.67x = 2,243.40 × 926.99
  4. Step 4: Simplify right side
    1,625.67x = 2,079,604.73
  5. Step 5: Solve for x
    x = 2,079,604.73/1,625.67
  6. Step 6: Final answer
    x = 1,279.23

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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.