Home / 1,625.68-2,243.36-926.96

Finding the Fourth Proportional to 1,625.68, 2,243.36 and 926.96

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Solution

The fourth proportional to 1,625.68, 2,243.36 and 926.96 is: 1,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.68 : 2,243.36 = 926.96 : x
  2. Step 2: Convert to fraction form
    1,625.68/2,243.36 = 926.96/x
  3. Step 3: Cross multiply
    1,625.68x = 2,243.36 × 926.96
  4. Step 4: Simplify right side
    1,625.68x = 2,079,504.99
  5. Step 5: Solve for x
    x = 2,079,504.99/1,625.68
  6. Step 6: Final answer
    x = 1,279.16

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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.