Home / 3,097.11-4,638.52-1,861.81

Finding the Fourth Proportional to 3,097.11, 4,638.52 and 1,861.81

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Solution

The fourth proportional to 3,097.11, 4,638.52 and 1,861.81 is: 2,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.11 : 4,638.52 = 1,861.81 : x
  2. Step 2: Convert to fraction form
    3,097.11/4,638.52 = 1,861.81/x
  3. Step 3: Cross multiply
    3,097.11x = 4,638.52 × 1,861.81
  4. Step 4: Simplify right side
    3,097.11x = 8,636,026.67
  5. Step 5: Solve for x
    x = 8,636,026.67/3,097.11
  6. Step 6: Final answer
    x = 2,788.41

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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.