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Finding the Fourth Proportional to 3,550.70, 5,325.37 and 1,358.92

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Solution

The fourth proportional to 3,550.70, 5,325.37 and 1,358.92 is: 2,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.70 : 5,325.37 = 1,358.92 : x
  2. Step 2: Convert to fraction form
    3,550.70/5,325.37 = 1,358.92/x
  3. Step 3: Cross multiply
    3,550.70x = 5,325.37 × 1,358.92
  4. Step 4: Simplify right side
    3,550.70x = 7,236,735.09
  5. Step 5: Solve for x
    x = 7,236,735.09/3,550.70
  6. Step 6: Final answer
    x = 2,038.11

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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.