Home / 3,745.39-5,618.10-2,080.54

Finding the Fourth Proportional to 3,745.39, 5,618.10 and 2,080.54

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Solution

The fourth proportional to 3,745.39, 5,618.10 and 2,080.54 is: 3,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.39 : 5,618.10 = 2,080.54 : x
  2. Step 2: Convert to fraction form
    3,745.39/5,618.10 = 2,080.54/x
  3. Step 3: Cross multiply
    3,745.39x = 5,618.10 × 2,080.54
  4. Step 4: Simplify right side
    3,745.39x = 11,688,681.77
  5. Step 5: Solve for x
    x = 11,688,681.77/3,745.39
  6. Step 6: Final answer
    x = 3,120.82

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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.