Home / 3,628.62-5,442.56-1,165.21

Finding the Fourth Proportional to 3,628.62, 5,442.56 and 1,165.21

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Solution

The fourth proportional to 3,628.62, 5,442.56 and 1,165.21 is: 1,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.62 : 5,442.56 = 1,165.21 : x
  2. Step 2: Convert to fraction form
    3,628.62/5,442.56 = 1,165.21/x
  3. Step 3: Cross multiply
    3,628.62x = 5,442.56 × 1,165.21
  4. Step 4: Simplify right side
    3,628.62x = 6,341,728.25
  5. Step 5: Solve for x
    x = 6,341,728.25/3,628.62
  6. Step 6: Final answer
    x = 1,747.70

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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.