Home / 2,923.03-4,385.91-1,279.36

Finding the Fourth Proportional to 2,923.03, 4,385.91 and 1,279.36

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Solution

The fourth proportional to 2,923.03, 4,385.91 and 1,279.36 is: 1,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.03 : 4,385.91 = 1,279.36 : x
  2. Step 2: Convert to fraction form
    2,923.03/4,385.91 = 1,279.36/x
  3. Step 3: Cross multiply
    2,923.03x = 4,385.91 × 1,279.36
  4. Step 4: Simplify right side
    2,923.03x = 5,611,157.82
  5. Step 5: Solve for x
    x = 5,611,157.82/2,923.03
  6. Step 6: Final answer
    x = 1,919.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.