Home / 3,631.55-5,447.90-1,551.56

Finding the Fourth Proportional to 3,631.55, 5,447.90 and 1,551.56

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Solution

The fourth proportional to 3,631.55, 5,447.90 and 1,551.56 is: 2,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.55 : 5,447.90 = 1,551.56 : x
  2. Step 2: Convert to fraction form
    3,631.55/5,447.90 = 1,551.56/x
  3. Step 3: Cross multiply
    3,631.55x = 5,447.90 × 1,551.56
  4. Step 4: Simplify right side
    3,631.55x = 8,452,743.72
  5. Step 5: Solve for x
    x = 8,452,743.72/3,631.55
  6. Step 6: Final answer
    x = 2,327.59

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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.