Home / 3,845.53-5,306.80-2,167.47

Finding the Fourth Proportional to 3,845.53, 5,306.80 and 2,167.47

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Solution

The fourth proportional to 3,845.53, 5,306.80 and 2,167.47 is: 2,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.53 : 5,306.80 = 2,167.47 : x
  2. Step 2: Convert to fraction form
    3,845.53/5,306.80 = 2,167.47/x
  3. Step 3: Cross multiply
    3,845.53x = 5,306.80 × 2,167.47
  4. Step 4: Simplify right side
    3,845.53x = 11,502,329.80
  5. Step 5: Solve for x
    x = 11,502,329.80/3,845.53
  6. Step 6: Final answer
    x = 2,991.09

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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.