Home / 2,314.61-3,468.60-2,189.87

Finding the Fourth Proportional to 2,314.61, 3,468.60 and 2,189.87

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Solution

The fourth proportional to 2,314.61, 3,468.60 and 2,189.87 is: 3,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.61 : 3,468.60 = 2,189.87 : x
  2. Step 2: Convert to fraction form
    2,314.61/3,468.60 = 2,189.87/x
  3. Step 3: Cross multiply
    2,314.61x = 3,468.60 × 2,189.87
  4. Step 4: Simplify right side
    2,314.61x = 7,595,783.08
  5. Step 5: Solve for x
    x = 7,595,783.08/2,314.61
  6. Step 6: Final answer
    x = 3,281.67

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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.