Home / 3,840.21-5,757.14-1,498.97

Finding the Fourth Proportional to 3,840.21, 5,757.14 and 1,498.97

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Solution

The fourth proportional to 3,840.21, 5,757.14 and 1,498.97 is: 2,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.21 : 5,757.14 = 1,498.97 : x
  2. Step 2: Convert to fraction form
    3,840.21/5,757.14 = 1,498.97/x
  3. Step 3: Cross multiply
    3,840.21x = 5,757.14 × 1,498.97
  4. Step 4: Simplify right side
    3,840.21x = 8,629,798.29
  5. Step 5: Solve for x
    x = 8,629,798.29/3,840.21
  6. Step 6: Final answer
    x = 2,247.22

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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.