Home / 2,214.27-3,316.01-2,155.95

Finding the Fourth Proportional to 2,214.27, 3,316.01 and 2,155.95

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Solution

The fourth proportional to 2,214.27, 3,316.01 and 2,155.95 is: 3,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.27 : 3,316.01 = 2,155.95 : x
  2. Step 2: Convert to fraction form
    2,214.27/3,316.01 = 2,155.95/x
  3. Step 3: Cross multiply
    2,214.27x = 3,316.01 × 2,155.95
  4. Step 4: Simplify right side
    2,214.27x = 7,149,140.98
  5. Step 5: Solve for x
    x = 7,149,140.98/2,214.27
  6. Step 6: Final answer
    x = 3,228.67

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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.