Home / 1,625.50-2,243.19-926.89

Finding the Fourth Proportional to 1,625.50, 2,243.19 and 926.89

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Solution

The fourth proportional to 1,625.50, 2,243.19 and 926.89 is: 1,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.50 : 2,243.19 = 926.89 : x
  2. Step 2: Convert to fraction form
    1,625.50/2,243.19 = 926.89/x
  3. Step 3: Cross multiply
    1,625.50x = 2,243.19 × 926.89
  4. Step 4: Simplify right side
    1,625.50x = 2,079,190.38
  5. Step 5: Solve for x
    x = 2,079,190.38/1,625.50
  6. Step 6: Final answer
    x = 1,279.11

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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.