Home / 3,747.35-5,619.60-1,248.09

Finding the Fourth Proportional to 3,747.35, 5,619.60 and 1,248.09

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Solution

The fourth proportional to 3,747.35, 5,619.60 and 1,248.09 is: 1,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.35 : 5,619.60 = 1,248.09 : x
  2. Step 2: Convert to fraction form
    3,747.35/5,619.60 = 1,248.09/x
  3. Step 3: Cross multiply
    3,747.35x = 5,619.60 × 1,248.09
  4. Step 4: Simplify right side
    3,747.35x = 7,013,766.56
  5. Step 5: Solve for x
    x = 7,013,766.56/3,747.35
  6. Step 6: Final answer
    x = 1,871.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.