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Finding the Fourth Proportional to 2,615.44, 3,923.32 and 883.92

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Solution

The fourth proportional to 2,615.44, 3,923.32 and 883.92 is: 1,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.44 : 3,923.32 = 883.92 : x
  2. Step 2: Convert to fraction form
    2,615.44/3,923.32 = 883.92/x
  3. Step 3: Cross multiply
    2,615.44x = 3,923.32 × 883.92
  4. Step 4: Simplify right side
    2,615.44x = 3,467,901.01
  5. Step 5: Solve for x
    x = 3,467,901.01/2,615.44
  6. Step 6: Final answer
    x = 1,325.93

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1.5x scale

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.