Home / 3,750.67-5,176.40-2,178.73

Finding the Fourth Proportional to 3,750.67, 5,176.40 and 2,178.73

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Solution

The fourth proportional to 3,750.67, 5,176.40 and 2,178.73 is: 3,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.67 : 5,176.40 = 2,178.73 : x
  2. Step 2: Convert to fraction form
    3,750.67/5,176.40 = 2,178.73/x
  3. Step 3: Cross multiply
    3,750.67x = 5,176.40 × 2,178.73
  4. Step 4: Simplify right side
    3,750.67x = 11,277,977.97
  5. Step 5: Solve for x
    x = 11,277,977.97/3,750.67
  6. Step 6: Final answer
    x = 3,006.92

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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.