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Finding the Fourth Proportional to 3,189.76, 4,776.04 and 1,801.02

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Solution

The fourth proportional to 3,189.76, 4,776.04 and 1,801.02 is: 2,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.76 : 4,776.04 = 1,801.02 : x
  2. Step 2: Convert to fraction form
    3,189.76/4,776.04 = 1,801.02/x
  3. Step 3: Cross multiply
    3,189.76x = 4,776.04 × 1,801.02
  4. Step 4: Simplify right side
    3,189.76x = 8,601,743.56
  5. Step 5: Solve for x
    x = 8,601,743.56/3,189.76
  6. Step 6: Final answer
    x = 2,696.67

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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.