Home / 3,530.38-4,871.96-1,958.44

Finding the Fourth Proportional to 3,530.38, 4,871.96 and 1,958.44

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Solution

The fourth proportional to 3,530.38, 4,871.96 and 1,958.44 is: 2,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.38 : 4,871.96 = 1,958.44 : x
  2. Step 2: Convert to fraction form
    3,530.38/4,871.96 = 1,958.44/x
  3. Step 3: Cross multiply
    3,530.38x = 4,871.96 × 1,958.44
  4. Step 4: Simplify right side
    3,530.38x = 9,541,441.34
  5. Step 5: Solve for x
    x = 9,541,441.34/3,530.38
  6. Step 6: Final answer
    x = 2,702.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.