Home / 3,670.86-5,509.60-2,286.89

Finding the Fourth Proportional to 3,670.86, 5,509.60 and 2,286.89

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Solution

The fourth proportional to 3,670.86, 5,509.60 and 2,286.89 is: 3,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.86 : 5,509.60 = 2,286.89 : x
  2. Step 2: Convert to fraction form
    3,670.86/5,509.60 = 2,286.89/x
  3. Step 3: Cross multiply
    3,670.86x = 5,509.60 × 2,286.89
  4. Step 4: Simplify right side
    3,670.86x = 12,599,849.14
  5. Step 5: Solve for x
    x = 12,599,849.14/3,670.86
  6. Step 6: Final answer
    x = 3,432.40

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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.