Home / 3,023.94-4,531.68-1,638.03

Finding the Fourth Proportional to 3,023.94, 4,531.68 and 1,638.03

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Solution

The fourth proportional to 3,023.94, 4,531.68 and 1,638.03 is: 2,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.94 : 4,531.68 = 1,638.03 : x
  2. Step 2: Convert to fraction form
    3,023.94/4,531.68 = 1,638.03/x
  3. Step 3: Cross multiply
    3,023.94x = 4,531.68 × 1,638.03
  4. Step 4: Simplify right side
    3,023.94x = 7,423,027.79
  5. Step 5: Solve for x
    x = 7,423,027.79/3,023.94
  6. Step 6: Final answer
    x = 2,454.75

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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.