Home / 3,626.52-5,428.10-3,285.48

Finding the Fourth Proportional to 3,626.52, 5,428.10 and 3,285.48

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Solution

The fourth proportional to 3,626.52, 5,428.10 and 3,285.48 is: 4,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.52 : 5,428.10 = 3,285.48 : x
  2. Step 2: Convert to fraction form
    3,626.52/5,428.10 = 3,285.48/x
  3. Step 3: Cross multiply
    3,626.52x = 5,428.10 × 3,285.48
  4. Step 4: Simplify right side
    3,626.52x = 17,833,913.99
  5. Step 5: Solve for x
    x = 17,833,913.99/3,626.52
  6. Step 6: Final answer
    x = 4,917.64

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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.