Home / 3,745.20-5,618.46-1,554.10

Finding the Fourth Proportional to 3,745.20, 5,618.46 and 1,554.10

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Solution

The fourth proportional to 3,745.20, 5,618.46 and 1,554.10 is: 2,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.20 : 5,618.46 = 1,554.10 : x
  2. Step 2: Convert to fraction form
    3,745.20/5,618.46 = 1,554.10/x
  3. Step 3: Cross multiply
    3,745.20x = 5,618.46 × 1,554.10
  4. Step 4: Simplify right side
    3,745.20x = 8,731,648.69
  5. Step 5: Solve for x
    x = 8,731,648.69/3,745.20
  6. Step 6: Final answer
    x = 2,331.42

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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.