Home / 3,840.55-5,760.92-1,500.46

Finding the Fourth Proportional to 3,840.55, 5,760.92 and 1,500.46

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Solution

The fourth proportional to 3,840.55, 5,760.92 and 1,500.46 is: 2,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.55 : 5,760.92 = 1,500.46 : x
  2. Step 2: Convert to fraction form
    3,840.55/5,760.92 = 1,500.46/x
  3. Step 3: Cross multiply
    3,840.55x = 5,760.92 × 1,500.46
  4. Step 4: Simplify right side
    3,840.55x = 8,644,019.37
  5. Step 5: Solve for x
    x = 8,644,019.37/3,840.55
  6. Step 6: Final answer
    x = 2,250.73

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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.