Home / 3,491.22-4,815.86-2,545.76

Finding the Fourth Proportional to 3,491.22, 4,815.86 and 2,545.76

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Solution

The fourth proportional to 3,491.22, 4,815.86 and 2,545.76 is: 3,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.22 : 4,815.86 = 2,545.76 : x
  2. Step 2: Convert to fraction form
    3,491.22/4,815.86 = 2,545.76/x
  3. Step 3: Cross multiply
    3,491.22x = 4,815.86 × 2,545.76
  4. Step 4: Simplify right side
    3,491.22x = 12,260,023.75
  5. Step 5: Solve for x
    x = 12,260,023.75/3,491.22
  6. Step 6: Final answer
    x = 3,511.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.