Home / 3,505.80-5,251.65-1,745.49

Finding the Fourth Proportional to 3,505.80, 5,251.65 and 1,745.49

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Solution

The fourth proportional to 3,505.80, 5,251.65 and 1,745.49 is: 2,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.80 : 5,251.65 = 1,745.49 : x
  2. Step 2: Convert to fraction form
    3,505.80/5,251.65 = 1,745.49/x
  3. Step 3: Cross multiply
    3,505.80x = 5,251.65 × 1,745.49
  4. Step 4: Simplify right side
    3,505.80x = 9,166,702.56
  5. Step 5: Solve for x
    x = 9,166,702.56/3,505.80
  6. Step 6: Final answer
    x = 2,614.72

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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.