Home / 3,840.24-5,297.64-2,425.68

Finding the Fourth Proportional to 3,840.24, 5,297.64 and 2,425.68

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Solution

The fourth proportional to 3,840.24, 5,297.64 and 2,425.68 is: 3,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.24 : 5,297.64 = 2,425.68 : x
  2. Step 2: Convert to fraction form
    3,840.24/5,297.64 = 2,425.68/x
  3. Step 3: Cross multiply
    3,840.24x = 5,297.64 × 2,425.68
  4. Step 4: Simplify right side
    3,840.24x = 12,850,379.40
  5. Step 5: Solve for x
    x = 12,850,379.40/3,840.24
  6. Step 6: Final answer
    x = 3,346.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.