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Finding the Fourth Proportional to 2,913.03, 4,369.67 and 832.82

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Solution

The fourth proportional to 2,913.03, 4,369.67 and 832.82 is: 1,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.03 : 4,369.67 = 832.82 : x
  2. Step 2: Convert to fraction form
    2,913.03/4,369.67 = 832.82/x
  3. Step 3: Cross multiply
    2,913.03x = 4,369.67 × 832.82
  4. Step 4: Simplify right side
    2,913.03x = 3,639,122.56
  5. Step 5: Solve for x
    x = 3,639,122.56/2,913.03
  6. Step 6: Final answer
    x = 1,249.26

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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.