Home / 1,623.16-2,239.44-960.04

Finding the Fourth Proportional to 1,623.16, 2,239.44 and 960.04

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Solution

The fourth proportional to 1,623.16, 2,239.44 and 960.04 is: 1,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.16 : 2,239.44 = 960.04 : x
  2. Step 2: Convert to fraction form
    1,623.16/2,239.44 = 960.04/x
  3. Step 3: Cross multiply
    1,623.16x = 2,239.44 × 960.04
  4. Step 4: Simplify right side
    1,623.16x = 2,149,951.98
  5. Step 5: Solve for x
    x = 2,149,951.98/1,623.16
  6. Step 6: Final answer
    x = 1,324.55

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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.