Home / 3,270.52-4,908.56-1,423.12

Finding the Fourth Proportional to 3,270.52, 4,908.56 and 1,423.12

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Solution

The fourth proportional to 3,270.52, 4,908.56 and 1,423.12 is: 2,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.52 : 4,908.56 = 1,423.12 : x
  2. Step 2: Convert to fraction form
    3,270.52/4,908.56 = 1,423.12/x
  3. Step 3: Cross multiply
    3,270.52x = 4,908.56 × 1,423.12
  4. Step 4: Simplify right side
    3,270.52x = 6,985,462.79
  5. Step 5: Solve for x
    x = 6,985,462.79/3,270.52
  6. Step 6: Final answer
    x = 2,135.89

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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.