Home / 3,469.59-4,786.08-2,142.35

Finding the Fourth Proportional to 3,469.59, 4,786.08 and 2,142.35

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Solution

The fourth proportional to 3,469.59, 4,786.08 and 2,142.35 is: 2,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.59 : 4,786.08 = 2,142.35 : x
  2. Step 2: Convert to fraction form
    3,469.59/4,786.08 = 2,142.35/x
  3. Step 3: Cross multiply
    3,469.59x = 4,786.08 × 2,142.35
  4. Step 4: Simplify right side
    3,469.59x = 10,253,458.49
  5. Step 5: Solve for x
    x = 10,253,458.49/3,469.59
  6. Step 6: Final answer
    x = 2,955.24

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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.