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Finding the Fourth Proportional to 1,933.39, 2,900.49 and 960.04

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Solution

The fourth proportional to 1,933.39, 2,900.49 and 960.04 is: 1,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.39 : 2,900.49 = 960.04 : x
  2. Step 2: Convert to fraction form
    1,933.39/2,900.49 = 960.04/x
  3. Step 3: Cross multiply
    1,933.39x = 2,900.49 × 960.04
  4. Step 4: Simplify right side
    1,933.39x = 2,784,586.42
  5. Step 5: Solve for x
    x = 2,784,586.42/1,933.39
  6. Step 6: Final answer
    x = 1,440.26

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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.