Home / 3,749.85-5,631.44-3,558.42

Finding the Fourth Proportional to 3,749.85, 5,631.44 and 3,558.42

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Solution

The fourth proportional to 3,749.85, 5,631.44 and 3,558.42 is: 5,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.85 : 5,631.44 = 3,558.42 : x
  2. Step 2: Convert to fraction form
    3,749.85/5,631.44 = 3,558.42/x
  3. Step 3: Cross multiply
    3,749.85x = 5,631.44 × 3,558.42
  4. Step 4: Simplify right side
    3,749.85x = 20,039,010.93
  5. Step 5: Solve for x
    x = 20,039,010.93/3,749.85
  6. Step 6: Final answer
    x = 5,343.95

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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.