Home / 3,370.86-5,056.83-1,423.08

Finding the Fourth Proportional to 3,370.86, 5,056.83 and 1,423.08

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Solution

The fourth proportional to 3,370.86, 5,056.83 and 1,423.08 is: 2,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.86 : 5,056.83 = 1,423.08 : x
  2. Step 2: Convert to fraction form
    3,370.86/5,056.83 = 1,423.08/x
  3. Step 3: Cross multiply
    3,370.86x = 5,056.83 × 1,423.08
  4. Step 4: Simplify right side
    3,370.86x = 7,196,273.64
  5. Step 5: Solve for x
    x = 7,196,273.64/3,370.86
  6. Step 6: Final answer
    x = 2,134.85

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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.