Home / 3,745.64-5,620.98-2,280.26

Finding the Fourth Proportional to 3,745.64, 5,620.98 and 2,280.26

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Solution

The fourth proportional to 3,745.64, 5,620.98 and 2,280.26 is: 3,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.64 : 5,620.98 = 2,280.26 : x
  2. Step 2: Convert to fraction form
    3,745.64/5,620.98 = 2,280.26/x
  3. Step 3: Cross multiply
    3,745.64x = 5,620.98 × 2,280.26
  4. Step 4: Simplify right side
    3,745.64x = 12,817,295.85
  5. Step 5: Solve for x
    x = 12,817,295.85/3,745.64
  6. Step 6: Final answer
    x = 3,421.92

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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.