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Finding the Fourth Proportional to 3,939.57, 5,905.58 and 1,599.03

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Solution

The fourth proportional to 3,939.57, 5,905.58 and 1,599.03 is: 2,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.57 : 5,905.58 = 1,599.03 : x
  2. Step 2: Convert to fraction form
    3,939.57/5,905.58 = 1,599.03/x
  3. Step 3: Cross multiply
    3,939.57x = 5,905.58 × 1,599.03
  4. Step 4: Simplify right side
    3,939.57x = 9,443,191.59
  5. Step 5: Solve for x
    x = 9,443,191.59/3,939.57
  6. Step 6: Final answer
    x = 2,397.01

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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.