Home / 3,627.64-5,439.21-1,677.34

Finding the Fourth Proportional to 3,627.64, 5,439.21 and 1,677.34

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Solution

The fourth proportional to 3,627.64, 5,439.21 and 1,677.34 is: 2,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.64 : 5,439.21 = 1,677.34 : x
  2. Step 2: Convert to fraction form
    3,627.64/5,439.21 = 1,677.34/x
  3. Step 3: Cross multiply
    3,627.64x = 5,439.21 × 1,677.34
  4. Step 4: Simplify right side
    3,627.64x = 9,123,404.50
  5. Step 5: Solve for x
    x = 9,123,404.50/3,627.64
  6. Step 6: Final answer
    x = 2,514.97

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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.