Home / 3,469.03-4,784.79-2,124.70

Finding the Fourth Proportional to 3,469.03, 4,784.79 and 2,124.70

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Solution

The fourth proportional to 3,469.03, 4,784.79 and 2,124.70 is: 2,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.03 : 4,784.79 = 2,124.70 : x
  2. Step 2: Convert to fraction form
    3,469.03/4,784.79 = 2,124.70/x
  3. Step 3: Cross multiply
    3,469.03x = 4,784.79 × 2,124.70
  4. Step 4: Simplify right side
    3,469.03x = 10,166,243.31
  5. Step 5: Solve for x
    x = 10,166,243.31/3,469.03
  6. Step 6: Final answer
    x = 2,930.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.