Home / 3,845.67-5,307.14-2,167.10

Finding the Fourth Proportional to 3,845.67, 5,307.14 and 2,167.10

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Solution

The fourth proportional to 3,845.67, 5,307.14 and 2,167.10 is: 2,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.67 : 5,307.14 = 2,167.10 : x
  2. Step 2: Convert to fraction form
    3,845.67/5,307.14 = 2,167.10/x
  3. Step 3: Cross multiply
    3,845.67x = 5,307.14 × 2,167.10
  4. Step 4: Simplify right side
    3,845.67x = 11,501,103.09
  5. Step 5: Solve for x
    x = 11,501,103.09/3,845.67
  6. Step 6: Final answer
    x = 2,990.66

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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.