Home / 3,605.05-5,408.46-1,525.57

Finding the Fourth Proportional to 3,605.05, 5,408.46 and 1,525.57

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Solution

The fourth proportional to 3,605.05, 5,408.46 and 1,525.57 is: 2,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.05 : 5,408.46 = 1,525.57 : x
  2. Step 2: Convert to fraction form
    3,605.05/5,408.46 = 1,525.57/x
  3. Step 3: Cross multiply
    3,605.05x = 5,408.46 × 1,525.57
  4. Step 4: Simplify right side
    3,605.05x = 8,250,984.32
  5. Step 5: Solve for x
    x = 8,250,984.32/3,605.05
  6. Step 6: Final answer
    x = 2,288.73

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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.