Home / 3,788.10-5,676.63-1,677.18

Finding the Fourth Proportional to 3,788.10, 5,676.63 and 1,677.18

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Solution

The fourth proportional to 3,788.10, 5,676.63 and 1,677.18 is: 2,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.10 : 5,676.63 = 1,677.18 : x
  2. Step 2: Convert to fraction form
    3,788.10/5,676.63 = 1,677.18/x
  3. Step 3: Cross multiply
    3,788.10x = 5,676.63 × 1,677.18
  4. Step 4: Simplify right side
    3,788.10x = 9,520,730.30
  5. Step 5: Solve for x
    x = 9,520,730.30/3,788.10
  6. Step 6: Final answer
    x = 2,513.33

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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.