Home / 3,581.64-5,374.08-1,634.40

Finding the Fourth Proportional to 3,581.64, 5,374.08 and 1,634.40

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Solution

The fourth proportional to 3,581.64, 5,374.08 and 1,634.40 is: 2,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.64 : 5,374.08 = 1,634.40 : x
  2. Step 2: Convert to fraction form
    3,581.64/5,374.08 = 1,634.40/x
  3. Step 3: Cross multiply
    3,581.64x = 5,374.08 × 1,634.40
  4. Step 4: Simplify right side
    3,581.64x = 8,783,396.35
  5. Step 5: Solve for x
    x = 8,783,396.35/3,581.64
  6. Step 6: Final answer
    x = 2,452.34

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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.