Home / 3,533.80-5,300.34-936.76

Finding the Fourth Proportional to 3,533.80, 5,300.34 and 936.76

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Solution

The fourth proportional to 3,533.80, 5,300.34 and 936.76 is: 1,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.80 : 5,300.34 = 936.76 : x
  2. Step 2: Convert to fraction form
    3,533.80/5,300.34 = 936.76/x
  3. Step 3: Cross multiply
    3,533.80x = 5,300.34 × 936.76
  4. Step 4: Simplify right side
    3,533.80x = 4,965,146.50
  5. Step 5: Solve for x
    x = 4,965,146.50/3,533.80
  6. Step 6: Final answer
    x = 1,405.04

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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.